15696858680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{408347}}^1$

素因数の和:408420

約数の個数: 48

約数和(自身を含む): 36494060760

約数和(自身を除く): 20797202080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 7688, 9610, 19220, 38440, 408347, 816694, 1633388, 2041735, 3266776, 4083470, 8166940, 12658757, 16333880, 25317514, 50635028, 63293785, 101270056, 126587570, 253175140, 392421467, 506350280, 784842934, 1569685868, 1962107335, 3139371736, 3924214670, 7848429340, 15696858680]

約数ペア:

[(1, 15696858680), (2, 7848429340), (4, 3924214670), (5, 3139371736), (8, 1962107335), (10, 1569685868), (20, 784842934), (31, 506350280), (40, 392421467), (62, 253175140), (124, 126587570), (155, 101270056), (248, 63293785), (310, 50635028), (620, 25317514), (961, 16333880), (1240, 12658757), (1922, 8166940), (3844, 4083470), (4805, 3266776), (7688, 2041735), (9610, 1633388), (19220, 816694), (38440, 408347)]