29817680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5563}}^1$

素因数の和:5643

約数の個数: 40

約数和(自身を含む): 70373472

約数和(自身を除く): 40555792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5563, 11126, 22252, 27815, 44504, 55630, 89008, 111260, 222520, 372721, 445040, 745442, 1490884, 1863605, 2981768, 3727210, 5963536, 7454420, 14908840, 29817680]

約数ペア:

[(1, 29817680), (2, 14908840), (4, 7454420), (5, 5963536), (8, 3727210), (10, 2981768), (16, 1863605), (20, 1490884), (40, 745442), (67, 445040), (80, 372721), (134, 222520), (268, 111260), (335, 89008), (536, 55630), (670, 44504), (1072, 27815), (1340, 22252), (2680, 11126), (5360, 5563)]