64534880

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2707}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 153543600

約数和(自身を除く): 89008720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2707, 2980, 4768, 5414, 5960, 10828, 11920, 13535, 21656, 23840, 27070, 43312, 54140, 86624, 108280, 216560, 403343, 433120, 806686, 1613372, 2016715, 3226744, 4033430, 6453488, 8066860, 12906976, 16133720, 32267440, 64534880]

約数ペア:

[(1, 64534880), (2, 32267440), (4, 16133720), (5, 12906976), (8, 8066860), (10, 6453488), (16, 4033430), (20, 3226744), (32, 2016715), (40, 1613372), (80, 806686), (149, 433120), (160, 403343), (298, 216560), (596, 108280), (745, 86624), (1192, 54140), (1490, 43312), (2384, 27070), (2707, 23840), (2980, 21656), (4768, 13535), (5414, 11920), (5960, 10828)]