12638480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9293}}^1$

素因数の和:9323

約数の個数: 40

約数和(自身を含む): 31116312

約数和(自身を除く): 18477832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9293, 18586, 37172, 46465, 74344, 92930, 148688, 157981, 185860, 315962, 371720, 631924, 743440, 789905, 1263848, 1579810, 2527696, 3159620, 6319240, 12638480]

約数ペア:

[(1, 12638480), (2, 6319240), (4, 3159620), (5, 2527696), (8, 1579810), (10, 1263848), (16, 789905), (17, 743440), (20, 631924), (34, 371720), (40, 315962), (68, 185860), (80, 157981), (85, 148688), (136, 92930), (170, 74344), (272, 46465), (340, 37172), (680, 18586), (1360, 9293)]