40342720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 112

約数和(自身を含む): 106911648

約数和(自身を除く): 66568928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 146, 157, 160, 176, 220, 292, 314, 320, 352, 365, 440, 584, 628, 704, 730, 785, 803, 880, 1168, 1256, 1460, 1570, 1606, 1727, 1760, 2336, 2512, 2920, 3140, 3212, 3454, 3520, 4015, 4672, 5024, 5840, 6280, 6424, 6908, 8030, 8635, 10048, 11461, 11680, 12560, 12848, 13816, 16060, 17270, 22922, 23360, 25120, 25696, 27632, 32120, 34540, 45844, 50240, 51392, 55264, 57305, 64240, 69080, 91688, 110528, 114610, 126071, 128480, 138160, 183376, 229220, 252142, 256960, 276320, 366752, 458440, 504284, 552640, 630355, 733504, 916880, 1008568, 1260710, 1833760, 2017136, 2521420, 3667520, 4034272, 5042840, 8068544, 10085680, 20171360, 40342720]

約数ペア:

[(1, 40342720), (2, 20171360), (4, 10085680), (5, 8068544), (8, 5042840), (10, 4034272), (11, 3667520), (16, 2521420), (20, 2017136), (22, 1833760), (32, 1260710), (40, 1008568), (44, 916880), (55, 733504), (64, 630355), (73, 552640), (80, 504284), (88, 458440), (110, 366752), (146, 276320), (157, 256960), (160, 252142), (176, 229220), (220, 183376), (292, 138160), (314, 128480), (320, 126071), (352, 114610), (365, 110528), (440, 91688), (584, 69080), (628, 64240), (704, 57305), (730, 55264), (785, 51392), (803, 50240), (880, 45844), (1168, 34540), (1256, 32120), (1460, 27632), (1570, 25696), (1606, 25120), (1727, 23360), (1760, 22922), (2336, 17270), (2512, 16060), (2920, 13816), (3140, 12848), (3212, 12560), (3454, 11680), (3520, 11461), (4015, 10048), (4672, 8635), (5024, 8030), (5840, 6908), (6280, 6424)]