142138720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28703

約数の個数: 48

約数和(自身を含む): 346647168

約数和(自身を除く): 204508448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 28657, 57314, 114628, 143285, 229256, 286570, 458512, 573140, 888367, 917024, 1146280, 1776734, 2292560, 3553468, 4441835, 4585120, 7106936, 8883670, 14213872, 17767340, 28427744, 35534680, 71069360, 142138720]

約数ペア:

[(1, 142138720), (2, 71069360), (4, 35534680), (5, 28427744), (8, 17767340), (10, 14213872), (16, 8883670), (20, 7106936), (31, 4585120), (32, 4441835), (40, 3553468), (62, 2292560), (80, 1776734), (124, 1146280), (155, 917024), (160, 888367), (248, 573140), (310, 458512), (496, 286570), (620, 229256), (992, 143285), (1240, 114628), (2480, 57314), (4960, 28657)]