27326780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 62850144

約数和(自身を除く): 35523364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1723, 3172, 3446, 3965, 6892, 7930, 8615, 15860, 17230, 22399, 34460, 44798, 89596, 105103, 111995, 210206, 223990, 420412, 447980, 525515, 1051030, 1366339, 2102060, 2732678, 5465356, 6831695, 13663390, 27326780]

約数ペア:

[(1, 27326780), (2, 13663390), (4, 6831695), (5, 5465356), (10, 2732678), (13, 2102060), (20, 1366339), (26, 1051030), (52, 525515), (61, 447980), (65, 420412), (122, 223990), (130, 210206), (244, 111995), (260, 105103), (305, 89596), (610, 44798), (793, 34460), (1220, 22399), (1586, 17230), (1723, 15860), (3172, 8615), (3446, 7930), (3965, 6892)]