65720810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20390

約数の個数: 32

約数和(自身を含む): 131855040

約数和(自身を除く): 66134230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 20347, 40694, 101735, 203470, 345899, 386593, 691798, 773186, 1729495, 1932965, 3458990, 3865930, 6572081, 13144162, 32860405, 65720810]

約数ペア:

[(1, 65720810), (2, 32860405), (5, 13144162), (10, 6572081), (17, 3865930), (19, 3458990), (34, 1932965), (38, 1729495), (85, 773186), (95, 691798), (170, 386593), (190, 345899), (323, 203470), (646, 101735), (1615, 40694), (3230, 20347)]