129499760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 326229120

約数和(自身を除く): 196729360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 478, 520, 521, 956, 1040, 1042, 1195, 1912, 2084, 2390, 2605, 3107, 3824, 4168, 4780, 5210, 6214, 6773, 8336, 9560, 10420, 12428, 13546, 15535, 19120, 20840, 24856, 27092, 31070, 33865, 41680, 49712, 54184, 62140, 67730, 108368, 124280, 124519, 135460, 248560, 249038, 270920, 498076, 541840, 622595, 996152, 1245190, 1618747, 1992304, 2490380, 3237494, 4980760, 6474988, 8093735, 9961520, 12949976, 16187470, 25899952, 32374940, 64749880, 129499760]

約数ペア:

[(1, 129499760), (2, 64749880), (4, 32374940), (5, 25899952), (8, 16187470), (10, 12949976), (13, 9961520), (16, 8093735), (20, 6474988), (26, 4980760), (40, 3237494), (52, 2490380), (65, 1992304), (80, 1618747), (104, 1245190), (130, 996152), (208, 622595), (239, 541840), (260, 498076), (478, 270920), (520, 249038), (521, 248560), (956, 135460), (1040, 124519), (1042, 124280), (1195, 108368), (1912, 67730), (2084, 62140), (2390, 54184), (2605, 49712), (3107, 41680), (3824, 33865), (4168, 31070), (4780, 27092), (5210, 24856), (6214, 20840), (6773, 19120), (8336, 15535), (9560, 13546), (10420, 12428)]