8729014720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{879941}}^1$

素因数の和:879989

約数の個数: 56

約数和(自身を含む): 21456505728

約数和(自身を除く): 12727491008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 879941, 1759882, 3519764, 4399705, 7039528, 8799410, 14079056, 17598820, 27278171, 28158112, 35197640, 54556342, 56316224, 70395280, 109112684, 136390855, 140790560, 218225368, 272781710, 281581120, 436450736, 545563420, 872901472, 1091126840, 1745802944, 2182253680, 4364507360, 8729014720]

約数ペア:

[(1, 8729014720), (2, 4364507360), (4, 2182253680), (5, 1745802944), (8, 1091126840), (10, 872901472), (16, 545563420), (20, 436450736), (31, 281581120), (32, 272781710), (40, 218225368), (62, 140790560), (64, 136390855), (80, 109112684), (124, 70395280), (155, 56316224), (160, 54556342), (248, 35197640), (310, 28158112), (320, 27278171), (496, 17598820), (620, 14079056), (992, 8799410), (1240, 7039528), (1984, 4399705), (2480, 3519764), (4960, 1759882), (9920, 879941)]