40202990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{883}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 75422880

約数和(自身を除く): 35219890

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 785, 883, 1570, 1766, 4415, 4553, 8830, 9106, 22765, 25607, 45530, 51214, 128035, 138631, 256070, 277262, 693155, 1386310, 4020299, 8040598, 20101495, 40202990]

約数ペア:

[(1, 40202990), (2, 20101495), (5, 8040598), (10, 4020299), (29, 1386310), (58, 693155), (145, 277262), (157, 256070), (290, 138631), (314, 128035), (785, 51214), (883, 45530), (1570, 25607), (1766, 22765), (4415, 9106), (4553, 8830)]