28028320

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{619}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 66558240

約数和(自身を除く): 38529920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 619, 1132, 1238, 1415, 2264, 2476, 2830, 3095, 4528, 4952, 5660, 6190, 9056, 9904, 11320, 12380, 19808, 22640, 24760, 45280, 49520, 99040, 175177, 350354, 700708, 875885, 1401416, 1751770, 2802832, 3503540, 5605664, 7007080, 14014160, 28028320]

約数ペア:

[(1, 28028320), (2, 14014160), (4, 7007080), (5, 5605664), (8, 3503540), (10, 2802832), (16, 1751770), (20, 1401416), (32, 875885), (40, 700708), (80, 350354), (160, 175177), (283, 99040), (566, 49520), (619, 45280), (1132, 24760), (1238, 22640), (1415, 19808), (2264, 12380), (2476, 11320), (2830, 9904), (3095, 9056), (4528, 6190), (4952, 5660)]