631868080

素因数分解:

$2^4\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{5099}}^1$

素因数の和:6661

約数の個数: 40

約数和(自身を含む): 1470330000

約数和(自身を除く): 838461920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1549, 3098, 5099, 6196, 7745, 10198, 12392, 15490, 20396, 24784, 25495, 30980, 40792, 50990, 61960, 81584, 101980, 123920, 203960, 407920, 7898351, 15796702, 31593404, 39491755, 63186808, 78983510, 126373616, 157967020, 315934040, 631868080]

約数ペア:

[(1, 631868080), (2, 315934040), (4, 157967020), (5, 126373616), (8, 78983510), (10, 63186808), (16, 39491755), (20, 31593404), (40, 15796702), (80, 7898351), (1549, 407920), (3098, 203960), (5099, 123920), (6196, 101980), (7745, 81584), (10198, 61960), (12392, 50990), (15490, 40792), (20396, 30980), (24784, 25495)]