65842520

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4973}}^1$

素因数の和:5315

約数の個数: 32

約数和(自身を含む): 148623120

約数和(自身を除く): 82780600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4973, 6620, 9946, 13240, 19892, 24865, 39784, 49730, 99460, 198920, 1646063, 3292126, 6584252, 8230315, 13168504, 16460630, 32921260, 65842520]

約数ペア:

[(1, 65842520), (2, 32921260), (4, 16460630), (5, 13168504), (8, 8230315), (10, 6584252), (20, 3292126), (40, 1646063), (331, 198920), (662, 99460), (1324, 49730), (1655, 39784), (2648, 24865), (3310, 19892), (4973, 13240), (6620, 9946)]