86747440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 218736000

約数和(自身を除く): 131988560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 349, 478, 520, 698, 956, 1040, 1195, 1396, 1745, 1912, 2390, 2792, 3107, 3490, 3824, 4537, 4780, 5584, 6214, 6980, 9074, 9560, 12428, 13960, 15535, 18148, 19120, 22685, 24856, 27920, 31070, 36296, 45370, 49712, 62140, 72592, 83411, 90740, 124280, 166822, 181480, 248560, 333644, 362960, 417055, 667288, 834110, 1084343, 1334576, 1668220, 2168686, 3336440, 4337372, 5421715, 6672880, 8674744, 10843430, 17349488, 21686860, 43373720, 86747440]

約数ペア:

[(1, 86747440), (2, 43373720), (4, 21686860), (5, 17349488), (8, 10843430), (10, 8674744), (13, 6672880), (16, 5421715), (20, 4337372), (26, 3336440), (40, 2168686), (52, 1668220), (65, 1334576), (80, 1084343), (104, 834110), (130, 667288), (208, 417055), (239, 362960), (260, 333644), (349, 248560), (478, 181480), (520, 166822), (698, 124280), (956, 90740), (1040, 83411), (1195, 72592), (1396, 62140), (1745, 49712), (1912, 45370), (2390, 36296), (2792, 31070), (3107, 27920), (3490, 24856), (3824, 22685), (4537, 19120), (4780, 18148), (5584, 15535), (6214, 13960), (6980, 12428), (9074, 9560)]