16650528040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{79943}}^1$

素因数の和:80122

約数の個数: 64

約数和(自身を含む): 38680104960

約数和(自身を除く): 22029576920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 127, 164, 205, 254, 328, 410, 508, 635, 820, 1016, 1270, 1640, 2540, 5080, 5207, 10414, 20828, 26035, 41656, 52070, 79943, 104140, 159886, 208280, 319772, 399715, 639544, 799430, 1598860, 3197720, 3277663, 6555326, 10152761, 13110652, 16388315, 20305522, 26221304, 32776630, 40611044, 50763805, 65553260, 81222088, 101527610, 131106520, 203055220, 406110440, 416263201, 832526402, 1665052804, 2081316005, 3330105608, 4162632010, 8325264020, 16650528040]

約数ペア:

[(1, 16650528040), (2, 8325264020), (4, 4162632010), (5, 3330105608), (8, 2081316005), (10, 1665052804), (20, 832526402), (40, 416263201), (41, 406110440), (82, 203055220), (127, 131106520), (164, 101527610), (205, 81222088), (254, 65553260), (328, 50763805), (410, 40611044), (508, 32776630), (635, 26221304), (820, 20305522), (1016, 16388315), (1270, 13110652), (1640, 10152761), (2540, 6555326), (5080, 3277663), (5207, 3197720), (10414, 1598860), (20828, 799430), (26035, 639544), (41656, 399715), (52070, 319772), (79943, 208280), (104140, 159886)]