128800540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9923}}^1$

素因数の和:10002

約数の個数: 48

約数和(自身を含む): 300101760

約数和(自身を除く): 171301220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 9923, 12980, 19846, 39692, 49615, 99230, 109153, 198460, 218306, 436612, 545765, 585457, 1091530, 1170914, 2183060, 2341828, 2927285, 5854570, 6440027, 11709140, 12880054, 25760108, 32200135, 64400270, 128800540]

約数ペア:

[(1, 128800540), (2, 64400270), (4, 32200135), (5, 25760108), (10, 12880054), (11, 11709140), (20, 6440027), (22, 5854570), (44, 2927285), (55, 2341828), (59, 2183060), (110, 1170914), (118, 1091530), (220, 585457), (236, 545765), (295, 436612), (590, 218306), (649, 198460), (1180, 109153), (1298, 99230), (2596, 49615), (3245, 39692), (6490, 19846), (9923, 12980)]