104390780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1213}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 236992224

約数和(自身を除く): 132601444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1213, 1324, 1655, 2426, 3310, 4303, 4852, 6065, 6620, 8606, 12130, 15769, 17212, 21515, 24260, 31538, 43030, 63076, 78845, 86060, 157690, 315380, 401503, 803006, 1606012, 2007515, 4015030, 5219539, 8030060, 10439078, 20878156, 26097695, 52195390, 104390780]

約数ペア:

[(1, 104390780), (2, 52195390), (4, 26097695), (5, 20878156), (10, 10439078), (13, 8030060), (20, 5219539), (26, 4015030), (52, 2007515), (65, 1606012), (130, 803006), (260, 401503), (331, 315380), (662, 157690), (1213, 86060), (1324, 78845), (1655, 63076), (2426, 43030), (3310, 31538), (4303, 24260), (4852, 21515), (6065, 17212), (6620, 15769), (8606, 12130)]