42279320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 99601920

約数和(自身を除く): 57322600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 523, 860, 940, 1046, 1720, 1880, 2021, 2092, 2615, 4042, 4184, 5230, 8084, 10105, 10460, 16168, 20210, 20920, 22489, 24581, 40420, 44978, 49162, 80840, 89956, 98324, 112445, 122905, 179912, 196648, 224890, 245810, 449780, 491620, 899560, 983240, 1056983, 2113966, 4227932, 5284915, 8455864, 10569830, 21139660, 42279320]

約数ペア:

[(1, 42279320), (2, 21139660), (4, 10569830), (5, 8455864), (8, 5284915), (10, 4227932), (20, 2113966), (40, 1056983), (43, 983240), (47, 899560), (86, 491620), (94, 449780), (172, 245810), (188, 224890), (215, 196648), (235, 179912), (344, 122905), (376, 112445), (430, 98324), (470, 89956), (523, 80840), (860, 49162), (940, 44978), (1046, 40420), (1720, 24581), (1880, 22489), (2021, 20920), (2092, 20210), (2615, 16168), (4042, 10460), (4184, 10105), (5230, 8084)]