168654320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51419}}^1$

素因数の和:51473

約数の個数: 40

約数和(自身を含む): 401693040

約数和(自身を除く): 233038720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 51419, 102838, 205676, 257095, 411352, 514190, 822704, 1028380, 2056760, 2108179, 4113520, 4216358, 8432716, 10540895, 16865432, 21081790, 33730864, 42163580, 84327160, 168654320]

約数ペア:

[(1, 168654320), (2, 84327160), (4, 42163580), (5, 33730864), (8, 21081790), (10, 16865432), (16, 10540895), (20, 8432716), (40, 4216358), (41, 4113520), (80, 2108179), (82, 2056760), (164, 1028380), (205, 822704), (328, 514190), (410, 411352), (656, 257095), (820, 205676), (1640, 102838), (3280, 51419)]