40215760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38669}}^1$

素因数の和:38695

約数の個数: 40

約数和(自身を含む): 100696680

約数和(自身を除く): 60480920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 38669, 77338, 154676, 193345, 309352, 386690, 502697, 618704, 773380, 1005394, 1546760, 2010788, 2513485, 3093520, 4021576, 5026970, 8043152, 10053940, 20107880, 40215760]

約数ペア:

[(1, 40215760), (2, 20107880), (4, 10053940), (5, 8043152), (8, 5026970), (10, 4021576), (13, 3093520), (16, 2513485), (20, 2010788), (26, 1546760), (40, 1005394), (52, 773380), (65, 618704), (80, 502697), (104, 386690), (130, 309352), (208, 193345), (260, 154676), (520, 77338), (1040, 38669)]