80838160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4136

約数の個数: 80

約数和(自身を含む): 213111360

約数和(自身を除く): 132273200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4091, 4940, 8182, 9880, 16364, 19760, 20455, 32728, 40910, 53183, 65456, 77729, 81820, 106366, 155458, 163640, 212732, 265915, 310916, 327280, 388645, 425464, 531830, 621832, 777290, 850928, 1010477, 1063660, 1243664, 1554580, 2020954, 2127320, 3109160, 4041908, 4254640, 5052385, 6218320, 8083816, 10104770, 16167632, 20209540, 40419080, 80838160]

約数ペア:

[(1, 80838160), (2, 40419080), (4, 20209540), (5, 16167632), (8, 10104770), (10, 8083816), (13, 6218320), (16, 5052385), (19, 4254640), (20, 4041908), (26, 3109160), (38, 2127320), (40, 2020954), (52, 1554580), (65, 1243664), (76, 1063660), (80, 1010477), (95, 850928), (104, 777290), (130, 621832), (152, 531830), (190, 425464), (208, 388645), (247, 327280), (260, 310916), (304, 265915), (380, 212732), (494, 163640), (520, 155458), (760, 106366), (988, 81820), (1040, 77729), (1235, 65456), (1520, 53183), (1976, 40910), (2470, 32728), (3952, 20455), (4091, 19760), (4940, 16364), (8182, 9880)]