98177680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13789}}^1$

素因数の和:13891

約数の個数: 40

約数和(自身を含む): 230844600

約数和(自身を除く): 132666920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 13789, 27578, 55156, 68945, 110312, 137890, 220624, 275780, 551560, 1103120, 1227221, 2454442, 4908884, 6136105, 9817768, 12272210, 19635536, 24544420, 49088840, 98177680]

約数ペア:

[(1, 98177680), (2, 49088840), (4, 24544420), (5, 19635536), (8, 12272210), (10, 9817768), (16, 6136105), (20, 4908884), (40, 2454442), (80, 1227221), (89, 1103120), (178, 551560), (356, 275780), (445, 220624), (712, 137890), (890, 110312), (1424, 68945), (1780, 55156), (3560, 27578), (7120, 13789)]