206443880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{166487}}^1$

素因数の和:166529

約数の個数: 32

約数和(自身を含む): 479485440

約数和(自身を除く): 273041560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 166487, 332974, 665948, 832435, 1331896, 1664870, 3329740, 5161097, 6659480, 10322194, 20644388, 25805485, 41288776, 51610970, 103221940, 206443880]

約数ペア:

[(1, 206443880), (2, 103221940), (4, 51610970), (5, 41288776), (8, 25805485), (10, 20644388), (20, 10322194), (31, 6659480), (40, 5161097), (62, 3329740), (124, 1664870), (155, 1331896), (248, 832435), (310, 665948), (620, 332974), (1240, 166487)]