2640654640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{9439}}^1$

素因数の和:9734

約数の個数: 80

約数和(自身を含む): 6637075200

約数和(自身を除く): 3996420560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 269, 520, 538, 1040, 1076, 1345, 2152, 2690, 3497, 4304, 5380, 6994, 9439, 10760, 13988, 17485, 18878, 21520, 27976, 34970, 37756, 47195, 55952, 69940, 75512, 94390, 122707, 139880, 151024, 188780, 245414, 279760, 377560, 490828, 613535, 755120, 981656, 1227070, 1963312, 2454140, 2539091, 4908280, 5078182, 9816560, 10156364, 12695455, 20312728, 25390910, 33008183, 40625456, 50781820, 66016366, 101563640, 132032732, 165040915, 203127280, 264065464, 330081830, 528130928, 660163660, 1320327320, 2640654640]

約数ペア:

[(1, 2640654640), (2, 1320327320), (4, 660163660), (5, 528130928), (8, 330081830), (10, 264065464), (13, 203127280), (16, 165040915), (20, 132032732), (26, 101563640), (40, 66016366), (52, 50781820), (65, 40625456), (80, 33008183), (104, 25390910), (130, 20312728), (208, 12695455), (260, 10156364), (269, 9816560), (520, 5078182), (538, 4908280), (1040, 2539091), (1076, 2454140), (1345, 1963312), (2152, 1227070), (2690, 981656), (3497, 755120), (4304, 613535), (5380, 490828), (6994, 377560), (9439, 279760), (10760, 245414), (13988, 188780), (17485, 151024), (18878, 139880), (21520, 122707), (27976, 94390), (34970, 75512), (37756, 69940), (47195, 55952)]