12655840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 30291408

約数和(自身を除く): 17635568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 953, 1328, 1660, 1906, 2656, 3320, 3812, 4765, 6640, 7624, 9530, 13280, 15248, 19060, 30496, 38120, 76240, 79099, 152480, 158198, 316396, 395495, 632792, 790990, 1265584, 1581980, 2531168, 3163960, 6327920, 12655840]

約数ペア:

[(1, 12655840), (2, 6327920), (4, 3163960), (5, 2531168), (8, 1581980), (10, 1265584), (16, 790990), (20, 632792), (32, 395495), (40, 316396), (80, 158198), (83, 152480), (160, 79099), (166, 76240), (332, 38120), (415, 30496), (664, 19060), (830, 15248), (953, 13280), (1328, 9530), (1660, 7624), (1906, 6640), (2656, 4765), (3320, 3812)]