155570840

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{10427}}^1$

素因数の和:10811

約数の個数: 32

約数和(自身を含む): 351006480

約数和(自身を除く): 195435640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 10427, 14920, 20854, 41708, 52135, 83416, 104270, 208540, 417080, 3889271, 7778542, 15557084, 19446355, 31114168, 38892710, 77785420, 155570840]

約数ペア:

[(1, 155570840), (2, 77785420), (4, 38892710), (5, 31114168), (8, 19446355), (10, 15557084), (20, 7778542), (40, 3889271), (373, 417080), (746, 208540), (1492, 104270), (1865, 83416), (2984, 52135), (3730, 41708), (7460, 20854), (10427, 14920)]