65211760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{22031}}^1$

素因数の和:22081

約数の個数: 40

約数和(自身を含む): 155722176

約数和(自身を除く): 90510416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 22031, 44062, 88124, 110155, 176248, 220310, 352496, 440620, 815147, 881240, 1630294, 1762480, 3260588, 4075735, 6521176, 8151470, 13042352, 16302940, 32605880, 65211760]

約数ペア:

[(1, 65211760), (2, 32605880), (4, 16302940), (5, 13042352), (8, 8151470), (10, 6521176), (16, 4075735), (20, 3260588), (37, 1762480), (40, 1630294), (74, 881240), (80, 815147), (148, 440620), (185, 352496), (296, 220310), (370, 176248), (592, 110155), (740, 88124), (1480, 44062), (2960, 22031)]