29903120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28753}}^1$

素因数の和:28779

約数の個数: 40

約数和(自身を含む): 74875416

約数和(自身を除く): 44972296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28753, 57506, 115012, 143765, 230024, 287530, 373789, 460048, 575060, 747578, 1150120, 1495156, 1868945, 2300240, 2990312, 3737890, 5980624, 7475780, 14951560, 29903120]

約数ペア:

[(1, 29903120), (2, 14951560), (4, 7475780), (5, 5980624), (8, 3737890), (10, 2990312), (13, 2300240), (16, 1868945), (20, 1495156), (26, 1150120), (40, 747578), (52, 575060), (65, 460048), (80, 373789), (104, 287530), (130, 230024), (208, 143765), (260, 115012), (520, 57506), (1040, 28753)]