28808110840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{533879}}^1$

素因数の和:533980

約数の個数: 64

約数和(自身を含む): 69190848000

約数和(自身を除く): 40382737160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 26980, 53960, 533879, 1067758, 2135516, 2669395, 4271032, 5338790, 10143701, 10677580, 20287402, 21355160, 37905409, 40574804, 50718505, 75810818, 81149608, 101437010, 151621636, 189527045, 202874020, 303243272, 379054090, 405748040, 720202771, 758108180, 1440405542, 1516216360, 2880811084, 3601013855, 5761622168, 7202027710, 14404055420, 28808110840]

約数ペア:

[(1, 28808110840), (2, 14404055420), (4, 7202027710), (5, 5761622168), (8, 3601013855), (10, 2880811084), (19, 1516216360), (20, 1440405542), (38, 758108180), (40, 720202771), (71, 405748040), (76, 379054090), (95, 303243272), (142, 202874020), (152, 189527045), (190, 151621636), (284, 101437010), (355, 81149608), (380, 75810818), (568, 50718505), (710, 40574804), (760, 37905409), (1349, 21355160), (1420, 20287402), (2698, 10677580), (2840, 10143701), (5396, 5338790), (6745, 4271032), (10792, 2669395), (13490, 2135516), (26980, 1067758), (53960, 533879)]