38915698960

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1847}}^1\times {\mathrm{2557}}^1$

素因数の和:4520

約数の個数: 80

約数和(自身を含む): 91442647296

約数和(自身を除く): 52526948336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 1847, 2060, 2557, 3694, 4120, 5114, 7388, 8240, 9235, 10228, 12785, 14776, 18470, 20456, 25570, 29552, 36940, 40912, 51140, 73880, 102280, 147760, 190241, 204560, 263371, 380482, 526742, 760964, 951205, 1053484, 1316855, 1521928, 1902410, 2106968, 2633710, 3043856, 3804820, 4213936, 4722779, 5267420, 7609640, 9445558, 10534840, 15219280, 18891116, 21069680, 23613895, 37782232, 47227790, 75564464, 94455580, 188911160, 377822320, 486446237, 972892474, 1945784948, 2432231185, 3891569896, 4864462370, 7783139792, 9728924740, 19457849480, 38915698960]

約数ペア:

[(1, 38915698960), (2, 19457849480), (4, 9728924740), (5, 7783139792), (8, 4864462370), (10, 3891569896), (16, 2432231185), (20, 1945784948), (40, 972892474), (80, 486446237), (103, 377822320), (206, 188911160), (412, 94455580), (515, 75564464), (824, 47227790), (1030, 37782232), (1648, 23613895), (1847, 21069680), (2060, 18891116), (2557, 15219280), (3694, 10534840), (4120, 9445558), (5114, 7609640), (7388, 5267420), (8240, 4722779), (9235, 4213936), (10228, 3804820), (12785, 3043856), (14776, 2633710), (18470, 2106968), (20456, 1902410), (25570, 1521928), (29552, 1316855), (36940, 1053484), (40912, 951205), (51140, 760964), (73880, 526742), (102280, 380482), (147760, 263371), (190241, 204560)]