1355120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 3395616

約数和(自身を除く): 2040496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1303, 2606, 5212, 6515, 10424, 13030, 16939, 20848, 26060, 33878, 52120, 67756, 84695, 104240, 135512, 169390, 271024, 338780, 677560, 1355120]

約数ペア:

[(1, 1355120), (2, 677560), (4, 338780), (5, 271024), (8, 169390), (10, 135512), (13, 104240), (16, 84695), (20, 67756), (26, 52120), (40, 33878), (52, 26060), (65, 20848), (80, 16939), (104, 13030), (130, 10424), (208, 6515), (260, 5212), (520, 2606), (1040, 1303)]