63544540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2086

約数の個数: 48

約数和(自身を含む): 140307552

約数和(自身を除く): 76763012

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 1997, 3182, 3994, 6364, 7955, 7988, 9985, 15910, 19970, 31820, 39940, 73889, 85871, 147778, 171742, 295556, 343484, 369445, 429355, 738890, 858710, 1477780, 1717420, 3177227, 6354454, 12708908, 15886135, 31772270, 63544540]

約数ペア:

[(1, 63544540), (2, 31772270), (4, 15886135), (5, 12708908), (10, 6354454), (20, 3177227), (37, 1717420), (43, 1477780), (74, 858710), (86, 738890), (148, 429355), (172, 369445), (185, 343484), (215, 295556), (370, 171742), (430, 147778), (740, 85871), (860, 73889), (1591, 39940), (1997, 31820), (3182, 19970), (3994, 15910), (6364, 9985), (7955, 7988)]