28993640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4289}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 70656300

約数和(自身を除く): 41662660

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4289, 6760, 8578, 17156, 21445, 34312, 42890, 55757, 85780, 111514, 171560, 223028, 278785, 446056, 557570, 724841, 1115140, 1449682, 2230280, 2899364, 3624205, 5798728, 7248410, 14496820, 28993640]

約数ペア:

[(1, 28993640), (2, 14496820), (4, 7248410), (5, 5798728), (8, 3624205), (10, 2899364), (13, 2230280), (20, 1449682), (26, 1115140), (40, 724841), (52, 557570), (65, 446056), (104, 278785), (130, 223028), (169, 171560), (260, 111514), (338, 85780), (520, 55757), (676, 42890), (845, 34312), (1352, 21445), (1690, 17156), (3380, 8578), (4289, 6760)]