8101025920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{973681}}^1$

素因数の和:973713

約数の個数: 64

約数和(自身を含む): 20856268440

約数和(自身を除く): 12755242520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 973681, 1947362, 3894724, 4868405, 7789448, 9736810, 12657853, 15578896, 19473620, 25315706, 31157792, 38947240, 50631412, 62315584, 63289265, 77894480, 101262824, 124631168, 126578530, 155788960, 202525648, 253157060, 311577920, 405051296, 506314120, 623155840, 810102592, 1012628240, 1620205184, 2025256480, 4050512960, 8101025920]

約数ペア:

[(1, 8101025920), (2, 4050512960), (4, 2025256480), (5, 1620205184), (8, 1012628240), (10, 810102592), (13, 623155840), (16, 506314120), (20, 405051296), (26, 311577920), (32, 253157060), (40, 202525648), (52, 155788960), (64, 126578530), (65, 124631168), (80, 101262824), (104, 77894480), (128, 63289265), (130, 62315584), (160, 50631412), (208, 38947240), (260, 31157792), (320, 25315706), (416, 19473620), (520, 15578896), (640, 12657853), (832, 9736810), (1040, 7789448), (1664, 4868405), (2080, 3894724), (4160, 1947362), (8320, 973681)]