40657180940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{236077}}^1$

素因数の和:236274

約数の個数: 48

約数和(自身を含む): 87254428800

約数和(自身を除く): 46597247860

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 8611, 17222, 34444, 43055, 86110, 172220, 236077, 472154, 944308, 1180385, 2360770, 4721540, 18650083, 25732393, 37300166, 51464786, 74600332, 93250415, 102929572, 128661965, 186500830, 257323930, 373001660, 514647860, 2032859047, 4065718094, 8131436188, 10164295235, 20328590470, 40657180940]

約数ペア:

[(1, 40657180940), (2, 20328590470), (4, 10164295235), (5, 8131436188), (10, 4065718094), (20, 2032859047), (79, 514647860), (109, 373001660), (158, 257323930), (218, 186500830), (316, 128661965), (395, 102929572), (436, 93250415), (545, 74600332), (790, 51464786), (1090, 37300166), (1580, 25732393), (2180, 18650083), (8611, 4721540), (17222, 2360770), (34444, 1180385), (43055, 944308), (86110, 472154), (172220, 236077)]