28616002840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2099}}^1\times {\mathrm{5087}}^1$

素因数の和:7264

約数の個数: 64

約数和(自身を含む): 65390976000

約数和(自身を除く): 36774973160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2099, 2680, 4198, 5087, 8396, 10174, 10495, 16792, 20348, 20990, 25435, 40696, 41980, 50870, 83960, 101740, 140633, 203480, 281266, 340829, 562532, 681658, 703165, 1125064, 1363316, 1406330, 1704145, 2726632, 2812660, 3408290, 5625320, 6816580, 10677613, 13633160, 21355226, 42710452, 53388065, 85420904, 106776130, 213552260, 427104520, 715400071, 1430800142, 2861600284, 3577000355, 5723200568, 7154000710, 14308001420, 28616002840]

約数ペア:

[(1, 28616002840), (2, 14308001420), (4, 7154000710), (5, 5723200568), (8, 3577000355), (10, 2861600284), (20, 1430800142), (40, 715400071), (67, 427104520), (134, 213552260), (268, 106776130), (335, 85420904), (536, 53388065), (670, 42710452), (1340, 21355226), (2099, 13633160), (2680, 10677613), (4198, 6816580), (5087, 5625320), (8396, 3408290), (10174, 2812660), (10495, 2726632), (16792, 1704145), (20348, 1406330), (20990, 1363316), (25435, 1125064), (40696, 703165), (41980, 681658), (50870, 562532), (83960, 340829), (101740, 281266), (140633, 203480)]