2159657860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1\times {\mathrm{1051}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 4580997120

約数和(自身を除く): 2421339260

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 809, 1051, 1270, 1618, 2102, 2540, 3236, 4045, 4204, 5255, 8090, 10510, 16180, 21020, 102743, 133477, 205486, 266954, 410972, 513715, 533908, 667385, 850259, 1027430, 1334770, 1700518, 2054860, 2669540, 3401036, 4251295, 8502590, 17005180, 107982893, 215965786, 431931572, 539914465, 1079828930, 2159657860]

約数ペア:

[(1, 2159657860), (2, 1079828930), (4, 539914465), (5, 431931572), (10, 215965786), (20, 107982893), (127, 17005180), (254, 8502590), (508, 4251295), (635, 3401036), (809, 2669540), (1051, 2054860), (1270, 1700518), (1618, 1334770), (2102, 1027430), (2540, 850259), (3236, 667385), (4045, 533908), (4204, 513715), (5255, 410972), (8090, 266954), (10510, 205486), (16180, 133477), (21020, 102743)]