28962680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23357}}^1$

素因数の和:23399

約数の個数: 32

約数和(自身を含む): 67271040

約数和(自身を除く): 38308360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23357, 46714, 93428, 116785, 186856, 233570, 467140, 724067, 934280, 1448134, 2896268, 3620335, 5792536, 7240670, 14481340, 28962680]

約数ペア:

[(1, 28962680), (2, 14481340), (4, 7240670), (5, 5792536), (8, 3620335), (10, 2896268), (20, 1448134), (31, 934280), (40, 724067), (62, 467140), (124, 233570), (155, 186856), (248, 116785), (310, 93428), (620, 46714), (1240, 23357)]