90140480

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2907

約数の個数: 56

約数和(自身を含む): 216849960

約数和(自身を除く): 126709480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 808, 1010, 1616, 2020, 2789, 3232, 4040, 5578, 6464, 8080, 11156, 13945, 16160, 22312, 27890, 32320, 44624, 55780, 89248, 111560, 178496, 223120, 281689, 446240, 563378, 892480, 1126756, 1408445, 2253512, 2816890, 4507024, 5633780, 9014048, 11267560, 18028096, 22535120, 45070240, 90140480]

約数ペア:

[(1, 90140480), (2, 45070240), (4, 22535120), (5, 18028096), (8, 11267560), (10, 9014048), (16, 5633780), (20, 4507024), (32, 2816890), (40, 2253512), (64, 1408445), (80, 1126756), (101, 892480), (160, 563378), (202, 446240), (320, 281689), (404, 223120), (505, 178496), (808, 111560), (1010, 89248), (1616, 55780), (2020, 44624), (2789, 32320), (3232, 27890), (4040, 22312), (5578, 16160), (6464, 13945), (8080, 11156)]