39499880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2879}}^1$

素因数の和:2911

約数の個数: 64

約数和(自身を含む): 103680000

約数和(自身を除く): 64180120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 2879, 3430, 5758, 6860, 11516, 13720, 14395, 20153, 23032, 28790, 40306, 57580, 80612, 100765, 115160, 141071, 161224, 201530, 282142, 403060, 564284, 705355, 806120, 987497, 1128568, 1410710, 1974994, 2821420, 3949988, 4937485, 5642840, 7899976, 9874970, 19749940, 39499880]

約数ペア:

[(1, 39499880), (2, 19749940), (4, 9874970), (5, 7899976), (7, 5642840), (8, 4937485), (10, 3949988), (14, 2821420), (20, 1974994), (28, 1410710), (35, 1128568), (40, 987497), (49, 806120), (56, 705355), (70, 564284), (98, 403060), (140, 282142), (196, 201530), (245, 161224), (280, 141071), (343, 115160), (392, 100765), (490, 80612), (686, 57580), (980, 40306), (1372, 28790), (1715, 23032), (1960, 20153), (2744, 14395), (2879, 13720), (3430, 11516), (5758, 6860)]