557788240

素因数分解:

$2^4\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{5351}}^1$

素因数の和:6667

約数の個数: 40

約数和(自身を含む): 1298095488

約数和(自身を除く): 740307248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1303, 2606, 5212, 5351, 6515, 10424, 10702, 13030, 20848, 21404, 26060, 26755, 42808, 52120, 53510, 85616, 104240, 107020, 214040, 428080, 6972353, 13944706, 27889412, 34861765, 55778824, 69723530, 111557648, 139447060, 278894120, 557788240]

約数ペア:

[(1, 557788240), (2, 278894120), (4, 139447060), (5, 111557648), (8, 69723530), (10, 55778824), (16, 34861765), (20, 27889412), (40, 13944706), (80, 6972353), (1303, 428080), (2606, 214040), (5212, 107020), (5351, 104240), (6515, 85616), (10424, 53510), (10702, 52120), (13030, 42808), (20848, 26755), (21404, 26060)]