31095740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 70795200

約数和(自身を除く): 39699460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 601, 796, 995, 1202, 1990, 2404, 2587, 3005, 3980, 5174, 6010, 7813, 10348, 12020, 12935, 15626, 25870, 31252, 39065, 51740, 78130, 119599, 156260, 239198, 478396, 597995, 1195990, 1554787, 2391980, 3109574, 6219148, 7773935, 15547870, 31095740]

約数ペア:

[(1, 31095740), (2, 15547870), (4, 7773935), (5, 6219148), (10, 3109574), (13, 2391980), (20, 1554787), (26, 1195990), (52, 597995), (65, 478396), (130, 239198), (199, 156260), (260, 119599), (398, 78130), (601, 51740), (796, 39065), (995, 31252), (1202, 25870), (1990, 15626), (2404, 12935), (2587, 12020), (3005, 10348), (3980, 7813), (5174, 6010)]