71307440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28753}}^1$

素因数の和:28797

約数の個数: 40

約数和(自身を含む): 171143808

約数和(自身を除く): 99836368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28753, 57506, 115012, 143765, 230024, 287530, 460048, 575060, 891343, 1150120, 1782686, 2300240, 3565372, 4456715, 7130744, 8913430, 14261488, 17826860, 35653720, 71307440]

約数ペア:

[(1, 71307440), (2, 35653720), (4, 17826860), (5, 14261488), (8, 8913430), (10, 7130744), (16, 4456715), (20, 3565372), (31, 2300240), (40, 1782686), (62, 1150120), (80, 891343), (124, 575060), (155, 460048), (248, 287530), (310, 230024), (496, 143765), (620, 115012), (1240, 57506), (2480, 28753)]