28345280

素因数分解:

$2^6\times 5^1\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:613

約数の個数: 56

約数和(自身を含む): 67952112

約数和(自身を除く): 39606832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 283, 313, 320, 566, 626, 1132, 1252, 1415, 1565, 2264, 2504, 2830, 3130, 4528, 5008, 5660, 6260, 9056, 10016, 11320, 12520, 18112, 20032, 22640, 25040, 45280, 50080, 88579, 90560, 100160, 177158, 354316, 442895, 708632, 885790, 1417264, 1771580, 2834528, 3543160, 5669056, 7086320, 14172640, 28345280]

約数ペア:

[(1, 28345280), (2, 14172640), (4, 7086320), (5, 5669056), (8, 3543160), (10, 2834528), (16, 1771580), (20, 1417264), (32, 885790), (40, 708632), (64, 442895), (80, 354316), (160, 177158), (283, 100160), (313, 90560), (320, 88579), (566, 50080), (626, 45280), (1132, 25040), (1252, 22640), (1415, 20032), (1565, 18112), (2264, 12520), (2504, 11320), (2830, 10016), (3130, 9056), (4528, 6260), (5008, 5660)]