64643560

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2689}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 145744200

約数和(自身を除く): 81100640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 2689, 3005, 4808, 5378, 6010, 10756, 12020, 13445, 21512, 24040, 26890, 53780, 107560, 1616089, 3232178, 6464356, 8080445, 12928712, 16160890, 32321780, 64643560]

約数ペア:

[(1, 64643560), (2, 32321780), (4, 16160890), (5, 12928712), (8, 8080445), (10, 6464356), (20, 3232178), (40, 1616089), (601, 107560), (1202, 53780), (2404, 26890), (2689, 24040), (3005, 21512), (4808, 13445), (5378, 12020), (6010, 10756)]