2908880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2823

約数の個数: 40

約数和(自身を含む): 7285992

約数和(自身を除く): 4377112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2797, 5594, 11188, 13985, 22376, 27970, 36361, 44752, 55940, 72722, 111880, 145444, 181805, 223760, 290888, 363610, 581776, 727220, 1454440, 2908880]

約数ペア:

[(1, 2908880), (2, 1454440), (4, 727220), (5, 581776), (8, 363610), (10, 290888), (13, 223760), (16, 181805), (20, 145444), (26, 111880), (40, 72722), (52, 55940), (65, 44752), (80, 36361), (104, 27970), (130, 22376), (208, 13985), (260, 11188), (520, 5594), (1040, 2797)]