2546960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 6666240

約数和(自身を除く): 4119280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 79, 80, 104, 124, 130, 155, 158, 208, 248, 260, 310, 316, 395, 403, 496, 520, 620, 632, 790, 806, 1027, 1040, 1240, 1264, 1580, 1612, 2015, 2054, 2449, 2480, 3160, 3224, 4030, 4108, 4898, 5135, 6320, 6448, 8060, 8216, 9796, 10270, 12245, 16120, 16432, 19592, 20540, 24490, 31837, 32240, 39184, 41080, 48980, 63674, 82160, 97960, 127348, 159185, 195920, 254696, 318370, 509392, 636740, 1273480, 2546960]

約数ペア:

[(1, 2546960), (2, 1273480), (4, 636740), (5, 509392), (8, 318370), (10, 254696), (13, 195920), (16, 159185), (20, 127348), (26, 97960), (31, 82160), (40, 63674), (52, 48980), (62, 41080), (65, 39184), (79, 32240), (80, 31837), (104, 24490), (124, 20540), (130, 19592), (155, 16432), (158, 16120), (208, 12245), (248, 10270), (260, 9796), (310, 8216), (316, 8060), (395, 6448), (403, 6320), (496, 5135), (520, 4898), (620, 4108), (632, 4030), (790, 3224), (806, 3160), (1027, 2480), (1040, 2449), (1240, 2054), (1264, 2015), (1580, 1612)]