87405440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3391

約数の個数: 64

約数和(自身を含む): 214114320

約数和(自身を除く): 126708880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 3331, 5248, 6560, 6662, 13120, 13324, 16655, 26240, 26648, 33310, 53296, 66620, 106592, 133240, 136571, 213184, 266480, 273142, 426368, 532960, 546284, 682855, 1065920, 1092568, 1365710, 2131840, 2185136, 2731420, 4370272, 5462840, 8740544, 10925680, 17481088, 21851360, 43702720, 87405440]

約数ペア:

[(1, 87405440), (2, 43702720), (4, 21851360), (5, 17481088), (8, 10925680), (10, 8740544), (16, 5462840), (20, 4370272), (32, 2731420), (40, 2185136), (41, 2131840), (64, 1365710), (80, 1092568), (82, 1065920), (128, 682855), (160, 546284), (164, 532960), (205, 426368), (320, 273142), (328, 266480), (410, 213184), (640, 136571), (656, 133240), (820, 106592), (1312, 66620), (1640, 53296), (2624, 33310), (3280, 26648), (3331, 26240), (5248, 16655), (6560, 13324), (6662, 13120)]