64315420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14551}}^1$

素因数の和:14590

約数の個数: 48

約数和(自身を含む): 154018368

約数和(自身を除く): 89702948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 14551, 29102, 58204, 72755, 145510, 189163, 247367, 291020, 378326, 494734, 756652, 945815, 989468, 1236835, 1891630, 2473670, 3215771, 3783260, 4947340, 6431542, 12863084, 16078855, 32157710, 64315420]

約数ペア:

[(1, 64315420), (2, 32157710), (4, 16078855), (5, 12863084), (10, 6431542), (13, 4947340), (17, 3783260), (20, 3215771), (26, 2473670), (34, 1891630), (52, 1236835), (65, 989468), (68, 945815), (85, 756652), (130, 494734), (170, 378326), (221, 291020), (260, 247367), (340, 189163), (442, 145510), (884, 72755), (1105, 58204), (2210, 29102), (4420, 14551)]