45242020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 100412928

約数和(自身を除く): 55170908

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1697, 2666, 3394, 5332, 6665, 6788, 8485, 13330, 16970, 26660, 33940, 52607, 72971, 105214, 145942, 210428, 263035, 291884, 364855, 526070, 729710, 1052140, 1459420, 2262101, 4524202, 9048404, 11310505, 22621010, 45242020]

約数ペア:

[(1, 45242020), (2, 22621010), (4, 11310505), (5, 9048404), (10, 4524202), (20, 2262101), (31, 1459420), (43, 1052140), (62, 729710), (86, 526070), (124, 364855), (155, 291884), (172, 263035), (215, 210428), (310, 145942), (430, 105214), (620, 72971), (860, 52607), (1333, 33940), (1697, 26660), (2666, 16970), (3394, 13330), (5332, 8485), (6665, 6788)]