77271640

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1907}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 174124080

約数和(自身を除く): 96852440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1907, 2026, 3814, 4052, 5065, 7628, 8104, 9535, 10130, 15256, 19070, 20260, 38140, 40520, 76280, 1931791, 3863582, 7727164, 9658955, 15454328, 19317910, 38635820, 77271640]

約数ペア:

[(1, 77271640), (2, 38635820), (4, 19317910), (5, 15454328), (8, 9658955), (10, 7727164), (20, 3863582), (40, 1931791), (1013, 76280), (1907, 40520), (2026, 38140), (3814, 20260), (4052, 19070), (5065, 15256), (7628, 10130), (8104, 9535)]