4528040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 11430720

約数和(自身を除く): 6902680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 251, 328, 410, 440, 451, 502, 820, 902, 1004, 1255, 1640, 1804, 2008, 2255, 2510, 2761, 3608, 4510, 5020, 5522, 9020, 10040, 10291, 11044, 13805, 18040, 20582, 22088, 27610, 41164, 51455, 55220, 82328, 102910, 110440, 113201, 205820, 226402, 411640, 452804, 566005, 905608, 1132010, 2264020, 4528040]

約数ペア:

[(1, 4528040), (2, 2264020), (4, 1132010), (5, 905608), (8, 566005), (10, 452804), (11, 411640), (20, 226402), (22, 205820), (40, 113201), (41, 110440), (44, 102910), (55, 82328), (82, 55220), (88, 51455), (110, 41164), (164, 27610), (205, 22088), (220, 20582), (251, 18040), (328, 13805), (410, 11044), (440, 10291), (451, 10040), (502, 9020), (820, 5522), (902, 5020), (1004, 4510), (1255, 3608), (1640, 2761), (1804, 2510), (2008, 2255)]