1640673896

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{25703}}^1$

素因数の和:25889

約数の個数: 32

約数和(自身を含む): 3146169600

約数和(自身を除く): 1505495704

約数列:

[1, 2, 4, 8, 79, 101, 158, 202, 316, 404, 632, 808, 7979, 15958, 25703, 31916, 51406, 63832, 102812, 205624, 2030537, 2596003, 4061074, 5192006, 8122148, 10384012, 16244296, 20768024, 205084237, 410168474, 820336948, 1640673896]

約数ペア:

[(1, 1640673896), (2, 820336948), (4, 410168474), (8, 205084237), (79, 20768024), (101, 16244296), (158, 10384012), (202, 8122148), (316, 5192006), (404, 4061074), (632, 2596003), (808, 2030537), (7979, 205624), (15958, 102812), (25703, 63832), (31916, 51406)]