201528640

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{17021}}^1$

素因数の和:17075

約数の個数: 56

約数和(自身を含む): 492889032

約数和(自身を除く): 291360392

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, 11840, 17021, 34042, 68084, 85105, 136168, 170210, 272336, 340420, 544672, 629777, 680840, 1089344, 1259554, 1361680, 2519108, 2723360, 3148885, 5038216, 5446720, 6297770, 10076432, 12595540, 20152864, 25191080, 40305728, 50382160, 100764320, 201528640]

約数ペア:

[(1, 201528640), (2, 100764320), (4, 50382160), (5, 40305728), (8, 25191080), (10, 20152864), (16, 12595540), (20, 10076432), (32, 6297770), (37, 5446720), (40, 5038216), (64, 3148885), (74, 2723360), (80, 2519108), (148, 1361680), (160, 1259554), (185, 1089344), (296, 680840), (320, 629777), (370, 544672), (592, 340420), (740, 272336), (1184, 170210), (1480, 136168), (2368, 85105), (2960, 68084), (5920, 34042), (11840, 17021)]