2021091040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{207079}}^1$

素因数の和:207155

約数の個数: 48

約数和(自身を含む): 4853126880

約数和(自身を除く): 2832035840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 207079, 414158, 828316, 1035395, 1656632, 2070790, 3313264, 4141580, 6626528, 8283160, 12631819, 16566320, 25263638, 33132640, 50527276, 63159095, 101054552, 126318190, 202109104, 252636380, 404218208, 505272760, 1010545520, 2021091040]

約数ペア:

[(1, 2021091040), (2, 1010545520), (4, 505272760), (5, 404218208), (8, 252636380), (10, 202109104), (16, 126318190), (20, 101054552), (32, 63159095), (40, 50527276), (61, 33132640), (80, 25263638), (122, 16566320), (160, 12631819), (244, 8283160), (305, 6626528), (488, 4141580), (610, 3313264), (976, 2070790), (1220, 1656632), (1952, 1035395), (2440, 828316), (4880, 414158), (9760, 207079)]