21877000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 30014840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 167, 200, 250, 262, 334, 500, 524, 655, 668, 835, 1000, 1048, 1310, 1336, 1670, 2620, 3275, 3340, 4175, 5240, 6550, 6680, 8350, 13100, 16375, 16700, 20875, 21877, 26200, 32750, 33400, 41750, 43754, 65500, 83500, 87508, 109385, 131000, 167000, 175016, 218770, 437540, 546925, 875080, 1093850, 2187700, 2734625, 4375400, 5469250, 10938500, 21877000]

約数ペア:

[(1, 21877000), (2, 10938500), (4, 5469250), (5, 4375400), (8, 2734625), (10, 2187700), (20, 1093850), (25, 875080), (40, 546925), (50, 437540), (100, 218770), (125, 175016), (131, 167000), (167, 131000), (200, 109385), (250, 87508), (262, 83500), (334, 65500), (500, 43754), (524, 41750), (655, 33400), (668, 32750), (835, 26200), (1000, 21877), (1048, 20875), (1310, 16700), (1336, 16375), (1670, 13100), (2620, 8350), (3275, 6680), (3340, 6550), (4175, 5240)]