325425880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625819}}^1$

素因数の和:625843

約数の個数: 32

約数和(自身を含む): 788533200

約数和(自身を除く): 463107320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 625819, 1251638, 2503276, 3129095, 5006552, 6258190, 8135647, 12516380, 16271294, 25032760, 32542588, 40678235, 65085176, 81356470, 162712940, 325425880]

約数ペア:

[(1, 325425880), (2, 162712940), (4, 81356470), (5, 65085176), (8, 40678235), (10, 32542588), (13, 25032760), (20, 16271294), (26, 12516380), (40, 8135647), (52, 6258190), (65, 5006552), (104, 3129095), (130, 2503276), (260, 1251638), (520, 625819)]