258944080

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{3313}}^1$

素因数の和:4303

約数の個数: 40

約数和(自身を含む): 602843112

約数和(自身を除く): 343899032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1954, 3313, 3908, 4885, 6626, 7816, 9770, 13252, 15632, 16565, 19540, 26504, 33130, 39080, 53008, 66260, 78160, 132520, 265040, 3236801, 6473602, 12947204, 16184005, 25894408, 32368010, 51788816, 64736020, 129472040, 258944080]

約数ペア:

[(1, 258944080), (2, 129472040), (4, 64736020), (5, 51788816), (8, 32368010), (10, 25894408), (16, 16184005), (20, 12947204), (40, 6473602), (80, 3236801), (977, 265040), (1954, 132520), (3313, 78160), (3908, 66260), (4885, 53008), (6626, 39080), (7816, 33130), (9770, 26504), (13252, 19540), (15632, 16565)]