16478240

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 39213720

約数和(自身を除く): 22735480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 569, 724, 905, 1138, 1448, 1810, 2276, 2845, 2896, 3620, 4552, 5690, 5792, 7240, 9104, 11380, 14480, 18208, 22760, 28960, 45520, 91040, 102989, 205978, 411956, 514945, 823912, 1029890, 1647824, 2059780, 3295648, 4119560, 8239120, 16478240]

約数ペア:

[(1, 16478240), (2, 8239120), (4, 4119560), (5, 3295648), (8, 2059780), (10, 1647824), (16, 1029890), (20, 823912), (32, 514945), (40, 411956), (80, 205978), (160, 102989), (181, 91040), (362, 45520), (569, 28960), (724, 22760), (905, 18208), (1138, 14480), (1448, 11380), (1810, 9104), (2276, 7240), (2845, 5792), (2896, 5690), (3620, 4552)]