79125280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 203742000

約数和(自身を除く): 124616720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 109, 130, 160, 208, 218, 260, 349, 416, 436, 520, 545, 698, 872, 1040, 1090, 1396, 1417, 1744, 1745, 2080, 2180, 2792, 2834, 3488, 3490, 4360, 4537, 5584, 5668, 6980, 7085, 8720, 9074, 11168, 11336, 13960, 14170, 17440, 18148, 22672, 22685, 27920, 28340, 36296, 38041, 45344, 45370, 55840, 56680, 72592, 76082, 90740, 113360, 145184, 152164, 181480, 190205, 226720, 304328, 362960, 380410, 494533, 608656, 725920, 760820, 989066, 1217312, 1521640, 1978132, 2472665, 3043280, 3956264, 4945330, 6086560, 7912528, 9890660, 15825056, 19781320, 39562640, 79125280]

約数ペア:

[(1, 79125280), (2, 39562640), (4, 19781320), (5, 15825056), (8, 9890660), (10, 7912528), (13, 6086560), (16, 4945330), (20, 3956264), (26, 3043280), (32, 2472665), (40, 1978132), (52, 1521640), (65, 1217312), (80, 989066), (104, 760820), (109, 725920), (130, 608656), (160, 494533), (208, 380410), (218, 362960), (260, 304328), (349, 226720), (416, 190205), (436, 181480), (520, 152164), (545, 145184), (698, 113360), (872, 90740), (1040, 76082), (1090, 72592), (1396, 56680), (1417, 55840), (1744, 45370), (1745, 45344), (2080, 38041), (2180, 36296), (2792, 28340), (2834, 27920), (3488, 22685), (3490, 22672), (4360, 18148), (4537, 17440), (5584, 14170), (5668, 13960), (6980, 11336), (7085, 11168), (8720, 9074)]