8263480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11694920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 131, 152, 166, 190, 262, 332, 380, 415, 524, 655, 664, 760, 830, 1048, 1310, 1577, 1660, 2489, 2620, 3154, 3320, 4978, 5240, 6308, 7885, 9956, 10873, 12445, 12616, 15770, 19912, 21746, 24890, 31540, 43492, 49780, 54365, 63080, 86984, 99560, 108730, 206587, 217460, 413174, 434920, 826348, 1032935, 1652696, 2065870, 4131740, 8263480]

約数ペア:

[(1, 8263480), (2, 4131740), (4, 2065870), (5, 1652696), (8, 1032935), (10, 826348), (19, 434920), (20, 413174), (38, 217460), (40, 206587), (76, 108730), (83, 99560), (95, 86984), (131, 63080), (152, 54365), (166, 49780), (190, 43492), (262, 31540), (332, 24890), (380, 21746), (415, 19912), (524, 15770), (655, 12616), (664, 12445), (760, 10873), (830, 9956), (1048, 7885), (1310, 6308), (1577, 5240), (1660, 4978), (2489, 3320), (2620, 3154)]