28856620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 66876768

約数和(自身を除く): 38020148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 2707, 5330, 5414, 10660, 10828, 13535, 27070, 35191, 54140, 70382, 110987, 140764, 175955, 221974, 351910, 443948, 554935, 703820, 1109870, 1442831, 2219740, 2885662, 5771324, 7214155, 14428310, 28856620]

約数ペア:

[(1, 28856620), (2, 14428310), (4, 7214155), (5, 5771324), (10, 2885662), (13, 2219740), (20, 1442831), (26, 1109870), (41, 703820), (52, 554935), (65, 443948), (82, 351910), (130, 221974), (164, 175955), (205, 140764), (260, 110987), (410, 70382), (533, 54140), (820, 35191), (1066, 27070), (2132, 13535), (2665, 10828), (2707, 10660), (5330, 5414)]