40478480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 112808256

約数和(自身を除く): 72329776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 43, 56, 70, 80, 82, 86, 112, 140, 164, 172, 205, 215, 280, 287, 301, 328, 344, 410, 430, 560, 574, 602, 656, 688, 820, 860, 1148, 1204, 1435, 1505, 1640, 1681, 1720, 1763, 2296, 2408, 2870, 3010, 3280, 3362, 3440, 3526, 4592, 4816, 5740, 6020, 6724, 7052, 8405, 8815, 11480, 11767, 12040, 12341, 13448, 14104, 16810, 17630, 22960, 23534, 24080, 24682, 26896, 28208, 33620, 35260, 47068, 49364, 58835, 61705, 67240, 70520, 72283, 94136, 98728, 117670, 123410, 134480, 141040, 144566, 188272, 197456, 235340, 246820, 289132, 361415, 470680, 493640, 505981, 578264, 722830, 941360, 987280, 1011962, 1156528, 1445660, 2023924, 2529905, 2891320, 4047848, 5059810, 5782640, 8095696, 10119620, 20239240, 40478480]

約数ペア:

[(1, 40478480), (2, 20239240), (4, 10119620), (5, 8095696), (7, 5782640), (8, 5059810), (10, 4047848), (14, 2891320), (16, 2529905), (20, 2023924), (28, 1445660), (35, 1156528), (40, 1011962), (41, 987280), (43, 941360), (56, 722830), (70, 578264), (80, 505981), (82, 493640), (86, 470680), (112, 361415), (140, 289132), (164, 246820), (172, 235340), (205, 197456), (215, 188272), (280, 144566), (287, 141040), (301, 134480), (328, 123410), (344, 117670), (410, 98728), (430, 94136), (560, 72283), (574, 70520), (602, 67240), (656, 61705), (688, 58835), (820, 49364), (860, 47068), (1148, 35260), (1204, 33620), (1435, 28208), (1505, 26896), (1640, 24682), (1681, 24080), (1720, 23534), (1763, 22960), (2296, 17630), (2408, 16810), (2870, 14104), (3010, 13448), (3280, 12341), (3362, 12040), (3440, 11767), (3526, 11480), (4592, 8815), (4816, 8405), (5740, 7052), (6020, 6724)]