163839920

素因数分解:

$2^4\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2441}}^1$

素因数の和:3293

約数の個数: 40

約数和(自身を含む): 381538080

約数和(自身を除く): 217698160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 839, 1678, 2441, 3356, 4195, 4882, 6712, 8390, 9764, 12205, 13424, 16780, 19528, 24410, 33560, 39056, 48820, 67120, 97640, 195280, 2047999, 4095998, 8191996, 10239995, 16383992, 20479990, 32767984, 40959980, 81919960, 163839920]

約数ペア:

[(1, 163839920), (2, 81919960), (4, 40959980), (5, 32767984), (8, 20479990), (10, 16383992), (16, 10239995), (20, 8191996), (40, 4095998), (80, 2047999), (839, 195280), (1678, 97640), (2441, 67120), (3356, 48820), (4195, 39056), (4882, 33560), (6712, 24410), (8390, 19528), (9764, 16780), (12205, 13424)]