40342960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1262

約数の個数: 80

約数和(自身を含む): 109046592

約数和(自身を除く): 68703632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1181, 1220, 1708, 2135, 2362, 2440, 3416, 4270, 4724, 4880, 5905, 6832, 8267, 8540, 9448, 11810, 16534, 17080, 18896, 23620, 33068, 34160, 41335, 47240, 66136, 72041, 82670, 94480, 132272, 144082, 165340, 288164, 330680, 360205, 504287, 576328, 661360, 720410, 1008574, 1152656, 1440820, 2017148, 2521435, 2881640, 4034296, 5042870, 5763280, 8068592, 10085740, 20171480, 40342960]

約数ペア:

[(1, 40342960), (2, 20171480), (4, 10085740), (5, 8068592), (7, 5763280), (8, 5042870), (10, 4034296), (14, 2881640), (16, 2521435), (20, 2017148), (28, 1440820), (35, 1152656), (40, 1008574), (56, 720410), (61, 661360), (70, 576328), (80, 504287), (112, 360205), (122, 330680), (140, 288164), (244, 165340), (280, 144082), (305, 132272), (427, 94480), (488, 82670), (560, 72041), (610, 66136), (854, 47240), (976, 41335), (1181, 34160), (1220, 33068), (1708, 23620), (2135, 18896), (2362, 17080), (2440, 16534), (3416, 11810), (4270, 9448), (4724, 8540), (4880, 8267), (5905, 6832)]