91409240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4751}}^1$

素因数の和:4812

約数の個数: 64

約数和(自身を含む): 227525760

約数和(自身を除く): 136116520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4751, 4810, 9502, 9620, 19004, 19240, 23755, 38008, 47510, 61763, 95020, 123526, 175787, 190040, 247052, 308815, 351574, 494104, 617630, 703148, 878935, 1235260, 1406296, 1757870, 2285231, 2470520, 3515740, 4570462, 7031480, 9140924, 11426155, 18281848, 22852310, 45704620, 91409240]

約数ペア:

[(1, 91409240), (2, 45704620), (4, 22852310), (5, 18281848), (8, 11426155), (10, 9140924), (13, 7031480), (20, 4570462), (26, 3515740), (37, 2470520), (40, 2285231), (52, 1757870), (65, 1406296), (74, 1235260), (104, 878935), (130, 703148), (148, 617630), (185, 494104), (260, 351574), (296, 308815), (370, 247052), (481, 190040), (520, 175787), (740, 123526), (962, 95020), (1480, 61763), (1924, 47510), (2405, 38008), (3848, 23755), (4751, 19240), (4810, 19004), (9502, 9620)]