664502560

素因数分解:

$2^5\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3907}}^1$

素因数の和:4985

約数の個数: 48

約数和(自身を含む): 1571766336

約数和(自身を除く): 907263776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1063, 2126, 3907, 4252, 5315, 7814, 8504, 10630, 15628, 17008, 19535, 21260, 31256, 34016, 39070, 42520, 62512, 78140, 85040, 125024, 156280, 170080, 312560, 625120, 4153141, 8306282, 16612564, 20765705, 33225128, 41531410, 66450256, 83062820, 132900512, 166125640, 332251280, 664502560]

約数ペア:

[(1, 664502560), (2, 332251280), (4, 166125640), (5, 132900512), (8, 83062820), (10, 66450256), (16, 41531410), (20, 33225128), (32, 20765705), (40, 16612564), (80, 8306282), (160, 4153141), (1063, 625120), (2126, 312560), (3907, 170080), (4252, 156280), (5315, 125024), (7814, 85040), (8504, 78140), (10630, 62512), (15628, 42520), (17008, 39070), (19535, 34016), (21260, 31256)]