28053680

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2027}}^1$

素因数の和:2213

約数の個数: 40

約数和(自身を含む): 65634192

約数和(自身を除く): 37580512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2027, 2768, 3460, 4054, 6920, 8108, 10135, 13840, 16216, 20270, 32432, 40540, 81080, 162160, 350671, 701342, 1402684, 1753355, 2805368, 3506710, 5610736, 7013420, 14026840, 28053680]

約数ペア:

[(1, 28053680), (2, 14026840), (4, 7013420), (5, 5610736), (8, 3506710), (10, 2805368), (16, 1753355), (20, 1402684), (40, 701342), (80, 350671), (173, 162160), (346, 81080), (692, 40540), (865, 32432), (1384, 20270), (1730, 16216), (2027, 13840), (2768, 10135), (3460, 8108), (4054, 6920)]