31256555980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7071619}}^1$

素因数の和:7071658

約数の個数: 48

約数和(自身を含む): 74846026080

約数和(自身を除く): 43589470100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 7071619, 14143238, 28286476, 35358095, 70716190, 91931047, 120217523, 141432380, 183862094, 240435046, 367724188, 459655235, 480870092, 601087615, 919310470, 1202175230, 1562827799, 1838620940, 2404350460, 3125655598, 6251311196, 7814138995, 15628277990, 31256555980]

約数ペア:

[(1, 31256555980), (2, 15628277990), (4, 7814138995), (5, 6251311196), (10, 3125655598), (13, 2404350460), (17, 1838620940), (20, 1562827799), (26, 1202175230), (34, 919310470), (52, 601087615), (65, 480870092), (68, 459655235), (85, 367724188), (130, 240435046), (170, 183862094), (221, 141432380), (260, 120217523), (340, 91931047), (442, 70716190), (884, 35358095), (1105, 28286476), (2210, 14143238), (4420, 7071619)]