81897280

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6917}}^1$

素因数の和:6971

約数の個数: 56

約数和(自身を含む): 200317608

約数和(自身を除く): 118420328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 2368, 2960, 5920, 6917, 11840, 13834, 27668, 34585, 55336, 69170, 110672, 138340, 221344, 255929, 276680, 442688, 511858, 553360, 1023716, 1106720, 1279645, 2047432, 2213440, 2559290, 4094864, 5118580, 8189728, 10237160, 16379456, 20474320, 40948640, 81897280]

約数ペア:

[(1, 81897280), (2, 40948640), (4, 20474320), (5, 16379456), (8, 10237160), (10, 8189728), (16, 5118580), (20, 4094864), (32, 2559290), (37, 2213440), (40, 2047432), (64, 1279645), (74, 1106720), (80, 1023716), (148, 553360), (160, 511858), (185, 442688), (296, 276680), (320, 255929), (370, 221344), (592, 138340), (740, 110672), (1184, 69170), (1480, 55336), (2368, 34585), (2960, 27668), (5920, 13834), (6917, 11840)]