29268560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21521}}^1$

素因数の和:21551

約数の個数: 40

約数和(自身を含む): 72055656

約数和(自身を除く): 42787096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21521, 43042, 86084, 107605, 172168, 215210, 344336, 365857, 430420, 731714, 860840, 1463428, 1721680, 1829285, 2926856, 3658570, 5853712, 7317140, 14634280, 29268560]

約数ペア:

[(1, 29268560), (2, 14634280), (4, 7317140), (5, 5853712), (8, 3658570), (10, 2926856), (16, 1829285), (17, 1721680), (20, 1463428), (34, 860840), (40, 731714), (68, 430420), (80, 365857), (85, 344336), (136, 215210), (170, 172168), (272, 107605), (340, 86084), (680, 43042), (1360, 21521)]