64766920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10723}}^1$

素因数の和:10885

約数の個数: 32

約数和(自身を含む): 146704320

約数和(自身を除く): 81937400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 10723, 21446, 42892, 53615, 85784, 107230, 214460, 428920, 1619173, 3238346, 6476692, 8095865, 12953384, 16191730, 32383460, 64766920]

約数ペア:

[(1, 64766920), (2, 32383460), (4, 16191730), (5, 12953384), (8, 8095865), (10, 6476692), (20, 3238346), (40, 1619173), (151, 428920), (302, 214460), (604, 107230), (755, 85784), (1208, 53615), (1510, 42892), (3020, 21446), (6040, 10723)]