12973120

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:659

約数の個数: 56

約数和(自身を含む): 31382208

約数和(自身を除く): 18409088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 571, 710, 1136, 1142, 1420, 2272, 2284, 2840, 2855, 4544, 4568, 5680, 5710, 9136, 11360, 11420, 18272, 22720, 22840, 36544, 40541, 45680, 81082, 91360, 162164, 182720, 202705, 324328, 405410, 648656, 810820, 1297312, 1621640, 2594624, 3243280, 6486560, 12973120]

約数ペア:

[(1, 12973120), (2, 6486560), (4, 3243280), (5, 2594624), (8, 1621640), (10, 1297312), (16, 810820), (20, 648656), (32, 405410), (40, 324328), (64, 202705), (71, 182720), (80, 162164), (142, 91360), (160, 81082), (284, 45680), (320, 40541), (355, 36544), (568, 22840), (571, 22720), (710, 18272), (1136, 11420), (1142, 11360), (1420, 9136), (2272, 5710), (2284, 5680), (2840, 4568), (2855, 4544)]