172059920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69379}}^1$

素因数の和:69423

約数の個数: 40

約数和(自身を含む): 412949760

約数和(自身を除く): 240889840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 69379, 138758, 277516, 346895, 555032, 693790, 1110064, 1387580, 2150749, 2775160, 4301498, 5550320, 8602996, 10753745, 17205992, 21507490, 34411984, 43014980, 86029960, 172059920]

約数ペア:

[(1, 172059920), (2, 86029960), (4, 43014980), (5, 34411984), (8, 21507490), (10, 17205992), (16, 10753745), (20, 8602996), (31, 5550320), (40, 4301498), (62, 2775160), (80, 2150749), (124, 1387580), (155, 1110064), (248, 693790), (310, 555032), (496, 346895), (620, 277516), (1240, 138758), (2480, 69379)]