40782040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78427}}^1$

素因数の和:78451

約数の個数: 32

約数和(自身を含む): 98819280

約数和(自身を除く): 58037240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78427, 156854, 313708, 392135, 627416, 784270, 1019551, 1568540, 2039102, 3137080, 4078204, 5097755, 8156408, 10195510, 20391020, 40782040]

約数ペア:

[(1, 40782040), (2, 20391020), (4, 10195510), (5, 8156408), (8, 5097755), (10, 4078204), (13, 3137080), (20, 2039102), (26, 1568540), (40, 1019551), (52, 784270), (65, 627416), (104, 392135), (130, 313708), (260, 156854), (520, 78427)]