51505840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 123063552

約数和(自身を除く): 71557712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 383, 410, 656, 766, 820, 1532, 1640, 1681, 1915, 3064, 3280, 3362, 3830, 6128, 6724, 7660, 8405, 13448, 15320, 15703, 16810, 26896, 30640, 31406, 33620, 62812, 67240, 78515, 125624, 134480, 157030, 251248, 314060, 628120, 643823, 1256240, 1287646, 2575292, 3219115, 5150584, 6438230, 10301168, 12876460, 25752920, 51505840]

約数ペア:

[(1, 51505840), (2, 25752920), (4, 12876460), (5, 10301168), (8, 6438230), (10, 5150584), (16, 3219115), (20, 2575292), (40, 1287646), (41, 1256240), (80, 643823), (82, 628120), (164, 314060), (205, 251248), (328, 157030), (383, 134480), (410, 125624), (656, 78515), (766, 67240), (820, 62812), (1532, 33620), (1640, 31406), (1681, 30640), (1915, 26896), (3064, 16810), (3280, 15703), (3362, 15320), (3830, 13448), (6128, 8405), (6724, 7660)]