2018060720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1940443}}^1$

素因数の和:1940469

約数の個数: 40

約数和(自身を含む): 5052916176

約数和(自身を除く): 3034855456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1940443, 3880886, 7761772, 9702215, 15523544, 19404430, 25225759, 31047088, 38808860, 50451518, 77617720, 100903036, 126128795, 155235440, 201806072, 252257590, 403612144, 504515180, 1009030360, 2018060720]

約数ペア:

[(1, 2018060720), (2, 1009030360), (4, 504515180), (5, 403612144), (8, 252257590), (10, 201806072), (13, 155235440), (16, 126128795), (20, 100903036), (26, 77617720), (40, 50451518), (52, 38808860), (65, 31047088), (80, 25225759), (104, 19404430), (130, 15523544), (208, 9702215), (260, 7761772), (520, 3880886), (1040, 1940443)]