29226440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 68584320

約数和(自身を除く): 39357880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 251, 284, 328, 355, 410, 502, 568, 710, 820, 1004, 1255, 1420, 1640, 2008, 2510, 2840, 2911, 5020, 5822, 10040, 10291, 11644, 14555, 17821, 20582, 23288, 29110, 35642, 41164, 51455, 58220, 71284, 82328, 89105, 102910, 116440, 142568, 178210, 205820, 356420, 411640, 712840, 730661, 1461322, 2922644, 3653305, 5845288, 7306610, 14613220, 29226440]

約数ペア:

[(1, 29226440), (2, 14613220), (4, 7306610), (5, 5845288), (8, 3653305), (10, 2922644), (20, 1461322), (40, 730661), (41, 712840), (71, 411640), (82, 356420), (142, 205820), (164, 178210), (205, 142568), (251, 116440), (284, 102910), (328, 89105), (355, 82328), (410, 71284), (502, 58220), (568, 51455), (710, 41164), (820, 35642), (1004, 29110), (1255, 23288), (1420, 20582), (1640, 17821), (2008, 14555), (2510, 11644), (2840, 10291), (2911, 10040), (5020, 5822)]