19755103480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{70553941}}^1$

素因数の和:70553959

約数の個数: 32

約数和(自身を含む): 50798838240

約数和(自身を除く): 31043734760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 70553941, 141107882, 282215764, 352769705, 493877587, 564431528, 705539410, 987755174, 1411078820, 1975510348, 2469387935, 2822157640, 3951020696, 4938775870, 9877551740, 19755103480]

約数ペア:

[(1, 19755103480), (2, 9877551740), (4, 4938775870), (5, 3951020696), (7, 2822157640), (8, 2469387935), (10, 1975510348), (14, 1411078820), (20, 987755174), (28, 705539410), (35, 564431528), (40, 493877587), (56, 352769705), (70, 282215764), (140, 141107882), (280, 70553941)]