259643480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{88919}}^1$

素因数の和:89003

約数の個数: 32

約数和(自身を含む): 592207200

約数和(自身を除く): 332563720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 88919, 177838, 355676, 444595, 711352, 889190, 1778380, 3556760, 6491087, 12982174, 25964348, 32455435, 51928696, 64910870, 129821740, 259643480]

約数ペア:

[(1, 259643480), (2, 129821740), (4, 64910870), (5, 51928696), (8, 32455435), (10, 25964348), (20, 12982174), (40, 6491087), (73, 3556760), (146, 1778380), (292, 889190), (365, 711352), (584, 444595), (730, 355676), (1460, 177838), (2920, 88919)]