65543420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 143222688

約数和(自身を除く): 77679268

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1193, 1340, 2386, 2747, 4772, 5494, 5965, 10988, 11930, 13735, 23860, 27470, 48913, 54940, 79931, 97826, 159862, 195652, 244565, 319724, 399655, 489130, 799310, 978260, 1598620, 3277171, 6554342, 13108684, 16385855, 32771710, 65543420]

約数ペア:

[(1, 65543420), (2, 32771710), (4, 16385855), (5, 13108684), (10, 6554342), (20, 3277171), (41, 1598620), (67, 978260), (82, 799310), (134, 489130), (164, 399655), (205, 319724), (268, 244565), (335, 195652), (410, 159862), (670, 97826), (820, 79931), (1193, 54940), (1340, 48913), (2386, 27470), (2747, 23860), (4772, 13735), (5494, 11930), (5965, 10988)]