39882640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 106778880

約数和(自身を除く): 66896240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 311, 458, 560, 622, 916, 1145, 1244, 1555, 1603, 1832, 2177, 2290, 2488, 3110, 3206, 3664, 4354, 4580, 4976, 6220, 6412, 8015, 8708, 9160, 10885, 12440, 12824, 16030, 17416, 18320, 21770, 24880, 25648, 32060, 34832, 43540, 64120, 71219, 87080, 128240, 142438, 174160, 284876, 356095, 498533, 569752, 712190, 997066, 1139504, 1424380, 1994132, 2492665, 2848760, 3988264, 4985330, 5697520, 7976528, 9970660, 19941320, 39882640]

約数ペア:

[(1, 39882640), (2, 19941320), (4, 9970660), (5, 7976528), (7, 5697520), (8, 4985330), (10, 3988264), (14, 2848760), (16, 2492665), (20, 1994132), (28, 1424380), (35, 1139504), (40, 997066), (56, 712190), (70, 569752), (80, 498533), (112, 356095), (140, 284876), (229, 174160), (280, 142438), (311, 128240), (458, 87080), (560, 71219), (622, 64120), (916, 43540), (1145, 34832), (1244, 32060), (1555, 25648), (1603, 24880), (1832, 21770), (2177, 18320), (2290, 17416), (2488, 16030), (3110, 12824), (3206, 12440), (3664, 10885), (4354, 9160), (4580, 8708), (4976, 8015), (6220, 6412)]