64686580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20089}}^1$

素因数の和:20128

約数の個数: 48

約数和(自身を含む): 162005760

約数和(自身を除く): 97319180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20089, 40178, 80356, 100445, 140623, 200890, 281246, 401780, 462047, 562492, 703115, 924094, 1406230, 1848188, 2310235, 2812460, 3234329, 4620470, 6468658, 9240940, 12937316, 16171645, 32343290, 64686580]

約数ペア:

[(1, 64686580), (2, 32343290), (4, 16171645), (5, 12937316), (7, 9240940), (10, 6468658), (14, 4620470), (20, 3234329), (23, 2812460), (28, 2310235), (35, 1848188), (46, 1406230), (70, 924094), (92, 703115), (115, 562492), (140, 462047), (161, 401780), (230, 281246), (322, 200890), (460, 140623), (644, 100445), (805, 80356), (1610, 40178), (3220, 20089)]