29888720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21977}}^1$

素因数の和:22007

約数の個数: 40

約数和(自身を含む): 73582344

約数和(自身を除く): 43693624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21977, 43954, 87908, 109885, 175816, 219770, 351632, 373609, 439540, 747218, 879080, 1494436, 1758160, 1868045, 2988872, 3736090, 5977744, 7472180, 14944360, 29888720]

約数ペア:

[(1, 29888720), (2, 14944360), (4, 7472180), (5, 5977744), (8, 3736090), (10, 2988872), (16, 1868045), (17, 1758160), (20, 1494436), (34, 879080), (40, 747218), (68, 439540), (80, 373609), (85, 351632), (136, 219770), (170, 175816), (272, 109885), (340, 87908), (680, 43954), (1360, 21977)]