40928680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2594

約数の個数: 64

約数和(自身を含む): 102412800

約数和(自身を除く): 61484120

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, 2539, 3224, 4030, 5078, 8060, 10156, 12695, 16120, 20312, 25390, 33007, 50780, 66014, 78709, 101560, 132028, 157418, 165035, 264056, 314836, 330070, 393545, 629672, 660140, 787090, 1023217, 1320280, 1574180, 2046434, 3148360, 4092868, 5116085, 8185736, 10232170, 20464340, 40928680]

約数ペア:

[(1, 40928680), (2, 20464340), (4, 10232170), (5, 8185736), (8, 5116085), (10, 4092868), (13, 3148360), (20, 2046434), (26, 1574180), (31, 1320280), (40, 1023217), (52, 787090), (62, 660140), (65, 629672), (104, 393545), (124, 330070), (130, 314836), (155, 264056), (248, 165035), (260, 157418), (310, 132028), (403, 101560), (520, 78709), (620, 66014), (806, 50780), (1240, 33007), (1612, 25390), (2015, 20312), (2539, 16120), (3224, 12695), (4030, 10156), (5078, 8060)]