20205122500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5827}}^1$

素因数の和:5943

約数の個数: 120

約数和(自身を含む): 47155280480

約数和(自身を除く): 26950157980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 125, 146, 190, 250, 292, 365, 380, 475, 500, 625, 730, 950, 1250, 1387, 1460, 1825, 1900, 2375, 2500, 2774, 3650, 4750, 5548, 5827, 6935, 7300, 9125, 9500, 11654, 11875, 13870, 18250, 23308, 23750, 27740, 29135, 34675, 36500, 45625, 47500, 58270, 69350, 91250, 110713, 116540, 138700, 145675, 173375, 182500, 221426, 291350, 346750, 425371, 442852, 553565, 582700, 693500, 728375, 850742, 866875, 1107130, 1456750, 1701484, 1733750, 2126855, 2214260, 2767825, 2913500, 3467500, 3641875, 4253710, 5535650, 7283750, 8082049, 8507420, 10634275, 11071300, 13839125, 14567500, 16164098, 21268550, 27678250, 32328196, 40410245, 42537100, 53171375, 55356500, 69195625, 80820490, 106342750, 138391250, 161640980, 202051225, 212685500, 265856875, 276782500, 404102450, 531713750, 808204900, 1010256125, 1063427500, 2020512250, 4041024500, 5051280625, 10102561250, 20205122500]

約数ペア:

[(1, 20205122500), (2, 10102561250), (4, 5051280625), (5, 4041024500), (10, 2020512250), (19, 1063427500), (20, 1010256125), (25, 808204900), (38, 531713750), (50, 404102450), (73, 276782500), (76, 265856875), (95, 212685500), (100, 202051225), (125, 161640980), (146, 138391250), (190, 106342750), (250, 80820490), (292, 69195625), (365, 55356500), (380, 53171375), (475, 42537100), (500, 40410245), (625, 32328196), (730, 27678250), (950, 21268550), (1250, 16164098), (1387, 14567500), (1460, 13839125), (1825, 11071300), (1900, 10634275), (2375, 8507420), (2500, 8082049), (2774, 7283750), (3650, 5535650), (4750, 4253710), (5548, 3641875), (5827, 3467500), (6935, 2913500), (7300, 2767825), (9125, 2214260), (9500, 2126855), (11654, 1733750), (11875, 1701484), (13870, 1456750), (18250, 1107130), (23308, 866875), (23750, 850742), (27740, 728375), (29135, 693500), (34675, 582700), (36500, 553565), (45625, 442852), (47500, 425371), (58270, 346750), (69350, 291350), (91250, 221426), (110713, 182500), (116540, 173375), (138700, 145675)]