40806784

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 86365440

約数和(自身を除く): 45558656

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 92, 128, 166, 167, 184, 332, 334, 368, 664, 668, 736, 1328, 1336, 1472, 1909, 2656, 2672, 2944, 3818, 3841, 5312, 5344, 7636, 7682, 10624, 10688, 13861, 15272, 15364, 21376, 27722, 30544, 30728, 55444, 61088, 61456, 110888, 122176, 122912, 221776, 244352, 245824, 318803, 443552, 491648, 637606, 887104, 1275212, 1774208, 2550424, 5100848, 10201696, 20403392, 40806784]

約数ペア:

[(1, 40806784), (2, 20403392), (4, 10201696), (8, 5100848), (16, 2550424), (23, 1774208), (32, 1275212), (46, 887104), (64, 637606), (83, 491648), (92, 443552), (128, 318803), (166, 245824), (167, 244352), (184, 221776), (332, 122912), (334, 122176), (368, 110888), (664, 61456), (668, 61088), (736, 55444), (1328, 30728), (1336, 30544), (1472, 27722), (1909, 21376), (2656, 15364), (2672, 15272), (2944, 13861), (3818, 10688), (3841, 10624), (5312, 7682), (5344, 7636)]