88881280

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 214536600

約数和(自身を除く): 125655320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 320, 452, 565, 640, 904, 1130, 1229, 1808, 2260, 2458, 3616, 4520, 4916, 6145, 7232, 9040, 9832, 12290, 14464, 18080, 19664, 24580, 36160, 39328, 49160, 72320, 78656, 98320, 138877, 157312, 196640, 277754, 393280, 555508, 694385, 786560, 1111016, 1388770, 2222032, 2777540, 4444064, 5555080, 8888128, 11110160, 17776256, 22220320, 44440640, 88881280]

約数ペア:

[(1, 88881280), (2, 44440640), (4, 22220320), (5, 17776256), (8, 11110160), (10, 8888128), (16, 5555080), (20, 4444064), (32, 2777540), (40, 2222032), (64, 1388770), (80, 1111016), (113, 786560), (128, 694385), (160, 555508), (226, 393280), (320, 277754), (452, 196640), (565, 157312), (640, 138877), (904, 98320), (1130, 78656), (1229, 72320), (1808, 49160), (2260, 39328), (2458, 36160), (3616, 24580), (4520, 19664), (4916, 18080), (6145, 14464), (7232, 12290), (9040, 9832)]