87953560

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1657}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 198164160

約数和(自身を除く): 110210600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 1657, 2654, 3314, 5308, 6628, 6635, 8285, 10616, 13256, 13270, 16570, 26540, 33140, 53080, 66280, 2198839, 4397678, 8795356, 10994195, 17590712, 21988390, 43976780, 87953560]

約数ペア:

[(1, 87953560), (2, 43976780), (4, 21988390), (5, 17590712), (8, 10994195), (10, 8795356), (20, 4397678), (40, 2198839), (1327, 66280), (1657, 53080), (2654, 33140), (3314, 26540), (5308, 16570), (6628, 13270), (6635, 13256), (8285, 10616)]