78222040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150427}}^1$

素因数の和:150451

約数の個数: 32

約数和(自身を含む): 189539280

約数和(自身を除く): 111317240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 150427, 300854, 601708, 752135, 1203416, 1504270, 1955551, 3008540, 3911102, 6017080, 7822204, 9777755, 15644408, 19555510, 39111020, 78222040]

約数ペア:

[(1, 78222040), (2, 39111020), (4, 19555510), (5, 15644408), (8, 9777755), (10, 7822204), (13, 6017080), (20, 3911102), (26, 3008540), (40, 1955551), (52, 1504270), (65, 1203416), (104, 752135), (130, 601708), (260, 300854), (520, 150427)]