28136860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23063}}^1$

素因数の和:23133

約数の個数: 24

約数和(自身を含む): 60058656

約数和(自身を除く): 31921796

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23063, 46126, 92252, 115315, 230630, 461260, 1406843, 2813686, 5627372, 7034215, 14068430, 28136860]

約数ペア:

[(1, 28136860), (2, 14068430), (4, 7034215), (5, 5627372), (10, 2813686), (20, 1406843), (61, 461260), (122, 230630), (244, 115315), (305, 92252), (610, 46126), (1220, 23063)]