988280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 2298240

約数和(自身を除く): 1309960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 797, 1240, 1594, 3188, 3985, 6376, 7970, 15940, 24707, 31880, 49414, 98828, 123535, 197656, 247070, 494140, 988280]

約数ペア:

[(1, 988280), (2, 494140), (4, 247070), (5, 197656), (8, 123535), (10, 98828), (20, 49414), (31, 31880), (40, 24707), (62, 15940), (124, 7970), (155, 6376), (248, 3985), (310, 3188), (620, 1594), (797, 1240)]