401017825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{15619}}^1$

素因数の和:15721

約数の個数: 24

約数和(自身を含む): 542326400

約数和(自身を除く): 141308575

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 5135, 15619, 25675, 78095, 203047, 390475, 1015235, 1233901, 5076175, 6169505, 16040713, 30847525, 80203565, 401017825]

約数ペア:

[(1, 401017825), (5, 80203565), (13, 30847525), (25, 16040713), (65, 6169505), (79, 5076175), (325, 1233901), (395, 1015235), (1027, 390475), (1975, 203047), (5135, 78095), (15619, 25675)]