87703940

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{11273}}^1$

素因数の和:11671

約数の個数: 24

約数和(自身を含む): 184668120

約数和(自身を除く): 96964180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 11273, 22546, 45092, 56365, 112730, 225460, 4385197, 8770394, 17540788, 21925985, 43851970, 87703940]

約数ペア:

[(1, 87703940), (2, 43851970), (4, 21925985), (5, 17540788), (10, 8770394), (20, 4385197), (389, 225460), (778, 112730), (1556, 56365), (1945, 45092), (3890, 22546), (7780, 11273)]