64218520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94439}}^1$

素因数の和:94467

約数の個数: 32

約数和(自身を含む): 152992800

約数和(自身を除く): 88774280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 94439, 188878, 377756, 472195, 755512, 944390, 1605463, 1888780, 3210926, 3777560, 6421852, 8027315, 12843704, 16054630, 32109260, 64218520]

約数ペア:

[(1, 64218520), (2, 32109260), (4, 16054630), (5, 12843704), (8, 8027315), (10, 6421852), (17, 3777560), (20, 3210926), (34, 1888780), (40, 1605463), (68, 944390), (85, 755512), (136, 472195), (170, 377756), (340, 188878), (680, 94439)]