80487160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5048

約数の個数: 64

約数和(自身を含む): 201358080

約数和(自身を除く): 120870920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4993, 8060, 9986, 16120, 19972, 24965, 39944, 49930, 64909, 99860, 129818, 154783, 199720, 259636, 309566, 324545, 519272, 619132, 649090, 773915, 1238264, 1298180, 1547830, 2012179, 2596360, 3095660, 4024358, 6191320, 8048716, 10060895, 16097432, 20121790, 40243580, 80487160]

約数ペア:

[(1, 80487160), (2, 40243580), (4, 20121790), (5, 16097432), (8, 10060895), (10, 8048716), (13, 6191320), (20, 4024358), (26, 3095660), (31, 2596360), (40, 2012179), (52, 1547830), (62, 1298180), (65, 1238264), (104, 773915), (124, 649090), (130, 619132), (155, 519272), (248, 324545), (260, 309566), (310, 259636), (403, 199720), (520, 154783), (620, 129818), (806, 99860), (1240, 64909), (1612, 49930), (2015, 39944), (3224, 24965), (4030, 19972), (4993, 16120), (8060, 9986)]