90887680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2767

約数の個数: 80

約数和(自身を含む): 234766224

約数和(自身を除く): 143878544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 2731, 3328, 4160, 5462, 6656, 8320, 10924, 13655, 16640, 21848, 27310, 33280, 35503, 43696, 54620, 71006, 87392, 109240, 142012, 174784, 177515, 218480, 284024, 349568, 355030, 436960, 568048, 699136, 710060, 873920, 1136096, 1398272, 1420120, 1747840, 2272192, 2840240, 3495680, 4544384, 5680480, 6991360, 9088768, 11360960, 18177536, 22721920, 45443840, 90887680]

約数ペア:

[(1, 90887680), (2, 45443840), (4, 22721920), (5, 18177536), (8, 11360960), (10, 9088768), (13, 6991360), (16, 5680480), (20, 4544384), (26, 3495680), (32, 2840240), (40, 2272192), (52, 1747840), (64, 1420120), (65, 1398272), (80, 1136096), (104, 873920), (128, 710060), (130, 699136), (160, 568048), (208, 436960), (256, 355030), (260, 349568), (320, 284024), (416, 218480), (512, 177515), (520, 174784), (640, 142012), (832, 109240), (1040, 87392), (1280, 71006), (1664, 54620), (2080, 43696), (2560, 35503), (2731, 33280), (3328, 27310), (4160, 21848), (5462, 16640), (6656, 13655), (8320, 10924)]