29285720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8821}}^1$

素因数の和:8915

約数の個数: 32

約数和(自身を含む): 66694320

約数和(自身を除く): 37408600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 8821, 17642, 35284, 44105, 70568, 88210, 176420, 352840, 732143, 1464286, 2928572, 3660715, 5857144, 7321430, 14642860, 29285720]

約数ペア:

[(1, 29285720), (2, 14642860), (4, 7321430), (5, 5857144), (8, 3660715), (10, 2928572), (20, 1464286), (40, 732143), (83, 352840), (166, 176420), (332, 88210), (415, 70568), (664, 44105), (830, 35284), (1660, 17642), (3320, 8821)]