64624340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 149071104

約数和(自身を除く): 84446764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 1871, 3140, 3454, 3742, 6908, 7484, 8635, 9355, 17270, 18710, 20581, 34540, 37420, 41162, 82324, 102905, 205810, 293747, 411620, 587494, 1174988, 1468735, 2937470, 3231217, 5874940, 6462434, 12924868, 16156085, 32312170, 64624340]

約数ペア:

[(1, 64624340), (2, 32312170), (4, 16156085), (5, 12924868), (10, 6462434), (11, 5874940), (20, 3231217), (22, 2937470), (44, 1468735), (55, 1174988), (110, 587494), (157, 411620), (220, 293747), (314, 205810), (628, 102905), (785, 82324), (1570, 41162), (1727, 37420), (1871, 34540), (3140, 20581), (3454, 18710), (3742, 17270), (6908, 9355), (7484, 8635)]