61542280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9439}}^1$

素因数の和:9613

約数の個数: 32

約数和(自身を含む): 139334400

約数和(自身を除く): 77792120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 9439, 18878, 37756, 47195, 75512, 94390, 188780, 377560, 1538557, 3077114, 6154228, 7692785, 12308456, 15385570, 30771140, 61542280]

約数ペア:

[(1, 61542280), (2, 30771140), (4, 15385570), (5, 12308456), (8, 7692785), (10, 6154228), (20, 3077114), (40, 1538557), (163, 377560), (326, 188780), (652, 94390), (815, 75512), (1304, 47195), (1630, 37756), (3260, 18878), (6520, 9439)]