40398904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 94026240

約数和(自身を除く): 53627336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 211, 263, 364, 422, 526, 728, 844, 1052, 1477, 1688, 1841, 2104, 2743, 2954, 3419, 3682, 5486, 5908, 6838, 7364, 10972, 11816, 13676, 14728, 19201, 21944, 23933, 27352, 38402, 47866, 55493, 76804, 95732, 110986, 153608, 191464, 221972, 388451, 443944, 721409, 776902, 1442818, 1553804, 2885636, 3107608, 5049863, 5771272, 10099726, 20199452, 40398904]

約数ペア:

[(1, 40398904), (2, 20199452), (4, 10099726), (7, 5771272), (8, 5049863), (13, 3107608), (14, 2885636), (26, 1553804), (28, 1442818), (52, 776902), (56, 721409), (91, 443944), (104, 388451), (182, 221972), (211, 191464), (263, 153608), (364, 110986), (422, 95732), (526, 76804), (728, 55493), (844, 47866), (1052, 38402), (1477, 27352), (1688, 23933), (1841, 21944), (2104, 19201), (2743, 14728), (2954, 13676), (3419, 11816), (3682, 10972), (5486, 7364), (5908, 6838)]