78804160

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2767}}^1$

素因数の和:2873

約数の個数: 56

約数和(自身を含む): 189829440

約数和(自身を除く): 111025280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2767, 2848, 3560, 5534, 5696, 7120, 11068, 13835, 14240, 22136, 27670, 28480, 44272, 55340, 88544, 110680, 177088, 221360, 246263, 442720, 492526, 885440, 985052, 1231315, 1970104, 2462630, 3940208, 4925260, 7880416, 9850520, 15760832, 19701040, 39402080, 78804160]

約数ペア:

[(1, 78804160), (2, 39402080), (4, 19701040), (5, 15760832), (8, 9850520), (10, 7880416), (16, 4925260), (20, 3940208), (32, 2462630), (40, 1970104), (64, 1231315), (80, 985052), (89, 885440), (160, 492526), (178, 442720), (320, 246263), (356, 221360), (445, 177088), (712, 110680), (890, 88544), (1424, 55340), (1780, 44272), (2767, 28480), (2848, 27670), (3560, 22136), (5534, 14240), (5696, 13835), (7120, 11068)]