20222499680

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1\times {\mathrm{2381}}^1$

素因数の和:2992

約数の個数: 96

約数和(自身を含む): 48333257280

約数和(自身を除く): 28110757600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 487, 545, 872, 974, 1090, 1744, 1948, 2180, 2381, 2435, 3488, 3896, 4360, 4762, 4870, 7792, 8720, 9524, 9740, 11905, 15584, 17440, 19048, 19480, 23810, 38096, 38960, 47620, 53083, 76192, 77920, 95240, 106166, 190480, 212332, 259529, 265415, 380960, 424664, 519058, 530830, 849328, 1038116, 1061660, 1159547, 1297645, 1698656, 2076232, 2123320, 2319094, 2595290, 4152464, 4246640, 4638188, 5190580, 5797735, 8304928, 8493280, 9276376, 10381160, 11595470, 18552752, 20762320, 23190940, 37105504, 41524640, 46381880, 92763760, 126390623, 185527520, 252781246, 505562492, 631953115, 1011124984, 1263906230, 2022249968, 2527812460, 4044499936, 5055624920, 10111249840, 20222499680]

約数ペア:

[(1, 20222499680), (2, 10111249840), (4, 5055624920), (5, 4044499936), (8, 2527812460), (10, 2022249968), (16, 1263906230), (20, 1011124984), (32, 631953115), (40, 505562492), (80, 252781246), (109, 185527520), (160, 126390623), (218, 92763760), (436, 46381880), (487, 41524640), (545, 37105504), (872, 23190940), (974, 20762320), (1090, 18552752), (1744, 11595470), (1948, 10381160), (2180, 9276376), (2381, 8493280), (2435, 8304928), (3488, 5797735), (3896, 5190580), (4360, 4638188), (4762, 4246640), (4870, 4152464), (7792, 2595290), (8720, 2319094), (9524, 2123320), (9740, 2076232), (11905, 1698656), (15584, 1297645), (17440, 1159547), (19048, 1061660), (19480, 1038116), (23810, 849328), (38096, 530830), (38960, 519058), (47620, 424664), (53083, 380960), (76192, 265415), (77920, 259529), (95240, 212332), (106166, 190480)]