26580320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1024

約数の個数: 72

約数和(自身を含む): 68067216

約数和(自身を除く): 41486896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 983, 1040, 1352, 1690, 1966, 2080, 2704, 3380, 3932, 4915, 5408, 6760, 7864, 9830, 12779, 13520, 15728, 19660, 25558, 27040, 31456, 39320, 51116, 63895, 78640, 102232, 127790, 157280, 166127, 204464, 255580, 332254, 408928, 511160, 664508, 830635, 1022320, 1329016, 1661270, 2044640, 2658032, 3322540, 5316064, 6645080, 13290160, 26580320]

約数ペア:

[(1, 26580320), (2, 13290160), (4, 6645080), (5, 5316064), (8, 3322540), (10, 2658032), (13, 2044640), (16, 1661270), (20, 1329016), (26, 1022320), (32, 830635), (40, 664508), (52, 511160), (65, 408928), (80, 332254), (104, 255580), (130, 204464), (160, 166127), (169, 157280), (208, 127790), (260, 102232), (338, 78640), (416, 63895), (520, 51116), (676, 39320), (845, 31456), (983, 27040), (1040, 25558), (1352, 19660), (1690, 15728), (1966, 13520), (2080, 12779), (2704, 9830), (3380, 7864), (3932, 6760), (4915, 5408)]