25104700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 58451120

約数和(自身を除く): 33346420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 146, 181, 190, 292, 362, 365, 380, 475, 724, 730, 905, 950, 1387, 1460, 1810, 1825, 1900, 2774, 3439, 3620, 3650, 4525, 5548, 6878, 6935, 7300, 9050, 13213, 13756, 13870, 17195, 18100, 26426, 27740, 34390, 34675, 52852, 66065, 68780, 69350, 85975, 132130, 138700, 171950, 251047, 264260, 330325, 343900, 502094, 660650, 1004188, 1255235, 1321300, 2510470, 5020940, 6276175, 12552350, 25104700]

約数ペア:

[(1, 25104700), (2, 12552350), (4, 6276175), (5, 5020940), (10, 2510470), (19, 1321300), (20, 1255235), (25, 1004188), (38, 660650), (50, 502094), (73, 343900), (76, 330325), (95, 264260), (100, 251047), (146, 171950), (181, 138700), (190, 132130), (292, 85975), (362, 69350), (365, 68780), (380, 66065), (475, 52852), (724, 34675), (730, 34390), (905, 27740), (950, 26426), (1387, 18100), (1460, 17195), (1810, 13870), (1825, 13756), (1900, 13213), (2774, 9050), (3439, 7300), (3620, 6935), (3650, 6878), (4525, 5548)]