65127280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26261}}^1$

素因数の和:26305

約数の個数: 40

約数和(自身を含む): 156311424

約数和(自身を除く): 91184144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26261, 52522, 105044, 131305, 210088, 262610, 420176, 525220, 814091, 1050440, 1628182, 2100880, 3256364, 4070455, 6512728, 8140910, 13025456, 16281820, 32563640, 65127280]

約数ペア:

[(1, 65127280), (2, 32563640), (4, 16281820), (5, 13025456), (8, 8140910), (10, 6512728), (16, 4070455), (20, 3256364), (31, 2100880), (40, 1628182), (62, 1050440), (80, 814091), (124, 525220), (155, 420176), (248, 262610), (310, 210088), (496, 131305), (620, 105044), (1240, 52522), (2480, 26261)]