66620420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 146821248

約数和(自身を除く): 80200828

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 251, 460, 502, 577, 1004, 1154, 1255, 2308, 2510, 2885, 5020, 5770, 5773, 11540, 11546, 13271, 23092, 26542, 28865, 53084, 57730, 66355, 115460, 132710, 144827, 265420, 289654, 579308, 724135, 1448270, 2896540, 3331021, 6662042, 13324084, 16655105, 33310210, 66620420]

約数ペア:

[(1, 66620420), (2, 33310210), (4, 16655105), (5, 13324084), (10, 6662042), (20, 3331021), (23, 2896540), (46, 1448270), (92, 724135), (115, 579308), (230, 289654), (251, 265420), (460, 144827), (502, 132710), (577, 115460), (1004, 66355), (1154, 57730), (1255, 53084), (2308, 28865), (2510, 26542), (2885, 23092), (5020, 13271), (5770, 11546), (5773, 11540)]