31431760

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1187}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 73361376

約数和(自身を除く): 41929616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1187, 1324, 1655, 2374, 2648, 3310, 4748, 5296, 5935, 6620, 9496, 11870, 13240, 18992, 23740, 26480, 47480, 94960, 392897, 785794, 1571588, 1964485, 3143176, 3928970, 6286352, 7857940, 15715880, 31431760]

約数ペア:

[(1, 31431760), (2, 15715880), (4, 7857940), (5, 6286352), (8, 3928970), (10, 3143176), (16, 1964485), (20, 1571588), (40, 785794), (80, 392897), (331, 94960), (662, 47480), (1187, 26480), (1324, 23740), (1655, 18992), (2374, 13240), (2648, 11870), (3310, 9496), (4748, 6620), (5296, 5935)]