28851160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 70670880

約数和(自身を除く): 41819720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 491, 520, 565, 904, 982, 1130, 1469, 1964, 2260, 2455, 2938, 3928, 4520, 4910, 5876, 6383, 7345, 9820, 11752, 12766, 14690, 19640, 25532, 29380, 31915, 51064, 55483, 58760, 63830, 110966, 127660, 221932, 255320, 277415, 443864, 554830, 721279, 1109660, 1442558, 2219320, 2885116, 3606395, 5770232, 7212790, 14425580, 28851160]

約数ペア:

[(1, 28851160), (2, 14425580), (4, 7212790), (5, 5770232), (8, 3606395), (10, 2885116), (13, 2219320), (20, 1442558), (26, 1109660), (40, 721279), (52, 554830), (65, 443864), (104, 277415), (113, 255320), (130, 221932), (226, 127660), (260, 110966), (452, 63830), (491, 58760), (520, 55483), (565, 51064), (904, 31915), (982, 29380), (1130, 25532), (1469, 19640), (1964, 14690), (2260, 12766), (2455, 11752), (2938, 9820), (3928, 7345), (4520, 6383), (4910, 5876)]