165966520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 396316800

約数和(自身を除く): 230350280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 1048, 1310, 1667, 2489, 2620, 3334, 4978, 5240, 6668, 8335, 9956, 12445, 13336, 16670, 19912, 24890, 31673, 33340, 49780, 63346, 66680, 99560, 126692, 158365, 218377, 253384, 316730, 436754, 633460, 873508, 1091885, 1266920, 1747016, 2183770, 4149163, 4367540, 8298326, 8735080, 16596652, 20745815, 33193304, 41491630, 82983260, 165966520]

約数ペア:

[(1, 165966520), (2, 82983260), (4, 41491630), (5, 33193304), (8, 20745815), (10, 16596652), (19, 8735080), (20, 8298326), (38, 4367540), (40, 4149163), (76, 2183770), (95, 1747016), (131, 1266920), (152, 1091885), (190, 873508), (262, 633460), (380, 436754), (524, 316730), (655, 253384), (760, 218377), (1048, 158365), (1310, 126692), (1667, 99560), (2489, 66680), (2620, 63346), (3334, 49780), (4978, 33340), (5240, 31673), (6668, 24890), (8335, 19912), (9956, 16670), (12445, 13336)]