25067384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 53460000

約数和(自身を除く): 28392616

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 109, 136, 152, 178, 218, 323, 356, 436, 646, 712, 872, 1292, 1513, 1691, 1853, 2071, 2584, 3026, 3382, 3706, 4142, 6052, 6764, 7412, 8284, 9701, 12104, 13528, 14824, 16568, 19402, 28747, 35207, 38804, 57494, 70414, 77608, 114988, 140828, 164917, 184319, 229976, 281656, 329834, 368638, 659668, 737276, 1319336, 1474552, 3133423, 6266846, 12533692, 25067384]

約数ペア:

[(1, 25067384), (2, 12533692), (4, 6266846), (8, 3133423), (17, 1474552), (19, 1319336), (34, 737276), (38, 659668), (68, 368638), (76, 329834), (89, 281656), (109, 229976), (136, 184319), (152, 164917), (178, 140828), (218, 114988), (323, 77608), (356, 70414), (436, 57494), (646, 38804), (712, 35207), (872, 28747), (1292, 19402), (1513, 16568), (1691, 14824), (1853, 13528), (2071, 12104), (2584, 9701), (3026, 8284), (3382, 7412), (3706, 6764), (4142, 6052)]