83328400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5081}}^1$

素因数の和:5140

約数の個数: 60

約数和(自身を含む): 205119684

約数和(自身を除く): 121791284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 5081, 8200, 10162, 16400, 20324, 25405, 40648, 50810, 81296, 101620, 127025, 203240, 208321, 254050, 406480, 416642, 508100, 833284, 1016200, 1041605, 1666568, 2032400, 2083210, 3333136, 4166420, 5208025, 8332840, 10416050, 16665680, 20832100, 41664200, 83328400]

約数ペア:

[(1, 83328400), (2, 41664200), (4, 20832100), (5, 16665680), (8, 10416050), (10, 8332840), (16, 5208025), (20, 4166420), (25, 3333136), (40, 2083210), (41, 2032400), (50, 1666568), (80, 1041605), (82, 1016200), (100, 833284), (164, 508100), (200, 416642), (205, 406480), (328, 254050), (400, 208321), (410, 203240), (656, 127025), (820, 101620), (1025, 81296), (1640, 50810), (2050, 40648), (3280, 25405), (4100, 20324), (5081, 16400), (8200, 10162)]