28616960

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 69659520

約数和(自身を除く): 41042560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 283, 316, 320, 395, 566, 632, 640, 790, 1132, 1264, 1280, 1415, 1580, 2264, 2528, 2830, 3160, 4528, 5056, 5660, 6320, 9056, 10112, 11320, 12640, 18112, 20224, 22357, 22640, 25280, 36224, 44714, 45280, 50560, 72448, 89428, 90560, 101120, 111785, 178856, 181120, 223570, 357712, 362240, 447140, 715424, 894280, 1430848, 1788560, 2861696, 3577120, 5723392, 7154240, 14308480, 28616960]

約数ペア:

[(1, 28616960), (2, 14308480), (4, 7154240), (5, 5723392), (8, 3577120), (10, 2861696), (16, 1788560), (20, 1430848), (32, 894280), (40, 715424), (64, 447140), (79, 362240), (80, 357712), (128, 223570), (158, 181120), (160, 178856), (256, 111785), (283, 101120), (316, 90560), (320, 89428), (395, 72448), (566, 50560), (632, 45280), (640, 44714), (790, 36224), (1132, 25280), (1264, 22640), (1280, 22357), (1415, 20224), (1580, 18112), (2264, 12640), (2528, 11320), (2830, 10112), (3160, 9056), (4528, 6320), (5056, 5660)]