20161110440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3626099}}^1$

素因数の和:3626249

約数の個数: 32

約数和(自身を含む): 45688860000

約数和(自身を除く): 25527749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 3626099, 7252198, 14504396, 18130495, 29008792, 36260990, 72521980, 145043960, 504027761, 1008055522, 2016111044, 2520138805, 4032222088, 5040277610, 10080555220, 20161110440]

約数ペア:

[(1, 20161110440), (2, 10080555220), (4, 5040277610), (5, 4032222088), (8, 2520138805), (10, 2016111044), (20, 1008055522), (40, 504027761), (139, 145043960), (278, 72521980), (556, 36260990), (695, 29008792), (1112, 18130495), (1390, 14504396), (2780, 7252198), (5560, 3626099)]