29149520

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 68150400

約数和(自身を除く): 39000880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1831, 1990, 3184, 3662, 3980, 7324, 7960, 9155, 14648, 15920, 18310, 29296, 36620, 73240, 146480, 364369, 728738, 1457476, 1821845, 2914952, 3643690, 5829904, 7287380, 14574760, 29149520]

約数ペア:

[(1, 29149520), (2, 14574760), (4, 7287380), (5, 5829904), (8, 3643690), (10, 2914952), (16, 1821845), (20, 1457476), (40, 728738), (80, 364369), (199, 146480), (398, 73240), (796, 36620), (995, 29296), (1592, 18310), (1831, 15920), (1990, 14648), (3184, 9155), (3662, 7960), (3980, 7324)]