821105440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{301877}}^1$

素因数の和:301909

約数の個数: 48

約数和(自身を含む): 2053977912

約数和(自身を除く): 1232872472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 301877, 603754, 1207508, 1509385, 2415016, 3018770, 4830032, 5131909, 6037540, 9660064, 10263818, 12075080, 20527636, 24150160, 25659545, 41055272, 48300320, 51319090, 82110544, 102638180, 164221088, 205276360, 410552720, 821105440]

約数ペア:

[(1, 821105440), (2, 410552720), (4, 205276360), (5, 164221088), (8, 102638180), (10, 82110544), (16, 51319090), (17, 48300320), (20, 41055272), (32, 25659545), (34, 24150160), (40, 20527636), (68, 12075080), (80, 10263818), (85, 9660064), (136, 6037540), (160, 5131909), (170, 4830032), (272, 3018770), (340, 2415016), (544, 1509385), (680, 1207508), (1360, 603754), (2720, 301877)]