28684640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2939}}^1$

素因数の和:3015

約数の個数: 48

約数和(自身を含む): 68901840

約数和(自身を除く): 40217200

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, 2939, 4880, 5878, 9760, 11756, 14695, 23512, 29390, 47024, 58780, 94048, 117560, 179279, 235120, 358558, 470240, 717116, 896395, 1434232, 1792790, 2868464, 3585580, 5736928, 7171160, 14342320, 28684640]

約数ペア:

[(1, 28684640), (2, 14342320), (4, 7171160), (5, 5736928), (8, 3585580), (10, 2868464), (16, 1792790), (20, 1434232), (32, 896395), (40, 717116), (61, 470240), (80, 358558), (122, 235120), (160, 179279), (244, 117560), (305, 94048), (488, 58780), (610, 47024), (976, 29390), (1220, 23512), (1952, 14695), (2440, 11756), (2939, 9760), (4880, 5878)]