251566560020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{950671}}^1$

素因数の和:950912

約数の個数: 48

約数和(自身を含む): 537593607936

約数和(自身を除く): 286027047916

約数列:

[1, 2, 4, 5, 10, 20, 101, 131, 202, 262, 404, 505, 524, 655, 1010, 1310, 2020, 2620, 13231, 26462, 52924, 66155, 132310, 264620, 950671, 1901342, 3802684, 4753355, 9506710, 19013420, 96017771, 124537901, 192035542, 249075802, 384071084, 480088855, 498151604, 622689505, 960177710, 1245379010, 1920355420, 2490758020, 12578328001, 25156656002, 50313312004, 62891640005, 125783280010, 251566560020]

約数ペア:

[(1, 251566560020), (2, 125783280010), (4, 62891640005), (5, 50313312004), (10, 25156656002), (20, 12578328001), (101, 2490758020), (131, 1920355420), (202, 1245379010), (262, 960177710), (404, 622689505), (505, 498151604), (524, 480088855), (655, 384071084), (1010, 249075802), (1310, 192035542), (2020, 124537901), (2620, 96017771), (13231, 19013420), (26462, 9506710), (52924, 4753355), (66155, 3802684), (132310, 1901342), (264620, 950671)]