40277640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25819}}^1$

素因数の和:25846

約数の個数: 64

約数和(自身を含む): 130132800

約数和(自身を除く): 89855160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25819, 51638, 77457, 103276, 129095, 154914, 206552, 258190, 309828, 335647, 387285, 516380, 619656, 671294, 774570, 1006941, 1032760, 1342588, 1549140, 1678235, 2013882, 2685176, 3098280, 3356470, 4027764, 5034705, 6712940, 8055528, 10069410, 13425880, 20138820, 40277640]

約数ペア:

[(1, 40277640), (2, 20138820), (3, 13425880), (4, 10069410), (5, 8055528), (6, 6712940), (8, 5034705), (10, 4027764), (12, 3356470), (13, 3098280), (15, 2685176), (20, 2013882), (24, 1678235), (26, 1549140), (30, 1342588), (39, 1032760), (40, 1006941), (52, 774570), (60, 671294), (65, 619656), (78, 516380), (104, 387285), (120, 335647), (130, 309828), (156, 258190), (195, 206552), (260, 154914), (312, 129095), (390, 103276), (520, 77457), (780, 51638), (1560, 25819)]