91451240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73751}}^1$

素因数の和:73793

約数の個数: 32

約数和(自身を含む): 212405760

約数和(自身を除く): 120954520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73751, 147502, 295004, 368755, 590008, 737510, 1475020, 2286281, 2950040, 4572562, 9145124, 11431405, 18290248, 22862810, 45725620, 91451240]

約数ペア:

[(1, 91451240), (2, 45725620), (4, 22862810), (5, 18290248), (8, 11431405), (10, 9145124), (20, 4572562), (31, 2950040), (40, 2286281), (62, 1475020), (124, 737510), (155, 590008), (248, 368755), (310, 295004), (620, 147502), (1240, 73751)]