16663760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{577}}^1$

素因数の和:628

約数の個数: 60

約数和(自身を含む): 40960548

約数和(自身を除く): 24296788

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 577, 722, 760, 1154, 1444, 1520, 1805, 2308, 2885, 2888, 3610, 4616, 5770, 5776, 7220, 9232, 10963, 11540, 14440, 21926, 23080, 28880, 43852, 46160, 54815, 87704, 109630, 175408, 208297, 219260, 416594, 438520, 833188, 877040, 1041485, 1666376, 2082970, 3332752, 4165940, 8331880, 16663760]

約数ペア:

[(1, 16663760), (2, 8331880), (4, 4165940), (5, 3332752), (8, 2082970), (10, 1666376), (16, 1041485), (19, 877040), (20, 833188), (38, 438520), (40, 416594), (76, 219260), (80, 208297), (95, 175408), (152, 109630), (190, 87704), (304, 54815), (361, 46160), (380, 43852), (577, 28880), (722, 23080), (760, 21926), (1154, 14440), (1444, 11540), (1520, 10963), (1805, 9232), (2308, 7220), (2885, 5776), (2888, 5770), (3610, 4616)]