31749160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 73846080

約数和(自身を除く): 42096920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 131, 146, 166, 262, 292, 332, 365, 415, 524, 584, 655, 664, 730, 830, 1048, 1310, 1460, 1660, 2620, 2920, 3320, 5240, 6059, 9563, 10873, 12118, 19126, 21746, 24236, 30295, 38252, 43492, 47815, 48472, 54365, 60590, 76504, 86984, 95630, 108730, 121180, 191260, 217460, 242360, 382520, 434920, 793729, 1587458, 3174916, 3968645, 6349832, 7937290, 15874580, 31749160]

約数ペア:

[(1, 31749160), (2, 15874580), (4, 7937290), (5, 6349832), (8, 3968645), (10, 3174916), (20, 1587458), (40, 793729), (73, 434920), (83, 382520), (131, 242360), (146, 217460), (166, 191260), (262, 121180), (292, 108730), (332, 95630), (365, 86984), (415, 76504), (524, 60590), (584, 54365), (655, 48472), (664, 47815), (730, 43492), (830, 38252), (1048, 30295), (1310, 24236), (1460, 21746), (1660, 19126), (2620, 12118), (2920, 10873), (3320, 9563), (5240, 6059)]