64154932120

素因数分解:

$2^3\times 5^1\times {\mathrm{7297}}^1\times {\mathrm{219799}}^1$

素因数の和:227107

約数の個数: 32

約数和(自身を含む): 144369036000

約数和(自身を除く): 80214103880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7297, 14594, 29188, 36485, 58376, 72970, 145940, 219799, 291880, 439598, 879196, 1098995, 1758392, 2197990, 4395980, 8791960, 1603873303, 3207746606, 6415493212, 8019366515, 12830986424, 16038733030, 32077466060, 64154932120]

約数ペア:

[(1, 64154932120), (2, 32077466060), (4, 16038733030), (5, 12830986424), (8, 8019366515), (10, 6415493212), (20, 3207746606), (40, 1603873303), (7297, 8791960), (14594, 4395980), (29188, 2197990), (36485, 1758392), (58376, 1098995), (72970, 879196), (145940, 439598), (219799, 291880)]