1640269070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{38333}}^1$

素因数の和:38740

約数の個数: 32

約数和(自身を含む): 3229256160

約数和(自身を除く): 1588987090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 21395, 38333, 42790, 76666, 191665, 383330, 421663, 843326, 2108315, 4216630, 14911537, 29823074, 74557685, 149115370, 164026907, 328053814, 820134535, 1640269070]

約数ペア:

[(1, 1640269070), (2, 820134535), (5, 328053814), (10, 164026907), (11, 149115370), (22, 74557685), (55, 29823074), (110, 14911537), (389, 4216630), (778, 2108315), (1945, 843326), (3890, 421663), (4279, 383330), (8558, 191665), (21395, 76666), (38333, 42790)]