1800715.00000000

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1373}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 172431504

約数和(自身を除く): 99717424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1373, 1655, 2648, 2746, 3310, 5296, 5492, 6620, 6865, 10592, 10984, 13240, 13730, 21968, 26480, 27460, 43936, 52960, 54920, 109840, 219680, 454463, 908926, 1817852, 2272315, 3635704, 4544630, 7271408, 9089260, 14542816, 18178520, 36357040, 72714080]

約数ペア:

[(1, 72714080), (2, 36357040), (4, 18178520), (5, 14542816), (8, 9089260), (10, 7271408), (16, 4544630), (20, 3635704), (32, 2272315), (40, 1817852), (80, 908926), (160, 454463), (331, 219680), (662, 109840), (1324, 54920), (1373, 52960), (1655, 43936), (2648, 27460), (2746, 26480), (3310, 21968), (5296, 13730), (5492, 13240), (6620, 10984), (6865, 10592)]