48739960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13691}}^1$

素因数の和:13791

約数の個数: 32

約数和(自身を含む): 110905200

約数和(自身を除く): 62165240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 13691, 27382, 54764, 68455, 109528, 136910, 273820, 547640, 1218499, 2436998, 4873996, 6092495, 9747992, 12184990, 24369980, 48739960]

約数ペア:

[(1, 48739960), (2, 24369980), (4, 12184990), (5, 9747992), (8, 6092495), (10, 4873996), (20, 2436998), (40, 1218499), (89, 547640), (178, 273820), (356, 136910), (445, 109528), (712, 68455), (890, 54764), (1780, 27382), (3560, 13691)]