16485160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 39600000

約数和(自身を除く): 23114840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 199, 218, 380, 398, 436, 545, 760, 796, 872, 995, 1090, 1592, 1990, 2071, 2180, 3781, 3980, 4142, 4360, 7562, 7960, 8284, 10355, 15124, 16568, 18905, 20710, 21691, 30248, 37810, 41420, 43382, 75620, 82840, 86764, 108455, 151240, 173528, 216910, 412129, 433820, 824258, 867640, 1648516, 2060645, 3297032, 4121290, 8242580, 16485160]

約数ペア:

[(1, 16485160), (2, 8242580), (4, 4121290), (5, 3297032), (8, 2060645), (10, 1648516), (19, 867640), (20, 824258), (38, 433820), (40, 412129), (76, 216910), (95, 173528), (109, 151240), (152, 108455), (190, 86764), (199, 82840), (218, 75620), (380, 43382), (398, 41420), (436, 37810), (545, 30248), (760, 21691), (796, 20710), (872, 18905), (995, 16568), (1090, 15124), (1592, 10355), (1990, 8284), (2071, 7960), (2180, 7562), (3781, 4360), (3980, 4142)]