12340640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 33339600

約数和(自身を除く): 20998960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 349, 416, 442, 520, 544, 680, 698, 884, 1040, 1105, 1360, 1396, 1745, 1768, 2080, 2210, 2720, 2792, 3490, 3536, 4420, 4537, 5584, 5933, 6980, 7072, 8840, 9074, 11168, 11866, 13960, 17680, 18148, 22685, 23732, 27920, 29665, 35360, 36296, 45370, 47464, 55840, 59330, 72592, 77129, 90740, 94928, 118660, 145184, 154258, 181480, 189856, 237320, 308516, 362960, 385645, 474640, 617032, 725920, 771290, 949280, 1234064, 1542580, 2468128, 3085160, 6170320, 12340640]

約数ペア:

[(1, 12340640), (2, 6170320), (4, 3085160), (5, 2468128), (8, 1542580), (10, 1234064), (13, 949280), (16, 771290), (17, 725920), (20, 617032), (26, 474640), (32, 385645), (34, 362960), (40, 308516), (52, 237320), (65, 189856), (68, 181480), (80, 154258), (85, 145184), (104, 118660), (130, 94928), (136, 90740), (160, 77129), (170, 72592), (208, 59330), (221, 55840), (260, 47464), (272, 45370), (340, 36296), (349, 35360), (416, 29665), (442, 27920), (520, 23732), (544, 22685), (680, 18148), (698, 17680), (884, 13960), (1040, 11866), (1105, 11168), (1360, 9074), (1396, 8840), (1745, 7072), (1768, 6980), (2080, 5933), (2210, 5584), (2720, 4537), (2792, 4420), (3490, 3536)]