16626520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 23290280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 167, 190, 262, 334, 380, 524, 655, 668, 760, 835, 1048, 1310, 1336, 1670, 2489, 2620, 3173, 3340, 4978, 5240, 6346, 6680, 9956, 12445, 12692, 15865, 19912, 21877, 24890, 25384, 31730, 43754, 49780, 63460, 87508, 99560, 109385, 126920, 175016, 218770, 415663, 437540, 831326, 875080, 1662652, 2078315, 3325304, 4156630, 8313260, 16626520]

約数ペア:

[(1, 16626520), (2, 8313260), (4, 4156630), (5, 3325304), (8, 2078315), (10, 1662652), (19, 875080), (20, 831326), (38, 437540), (40, 415663), (76, 218770), (95, 175016), (131, 126920), (152, 109385), (167, 99560), (190, 87508), (262, 63460), (334, 49780), (380, 43754), (524, 31730), (655, 25384), (668, 24890), (760, 21877), (835, 19912), (1048, 15865), (1310, 12692), (1336, 12445), (1670, 9956), (2489, 6680), (2620, 6346), (3173, 5240), (3340, 4978)]