655213280

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{23671}}^1$

素因数の和:23859

約数の個数: 48

約数和(自身を含む): 1556954784

約数和(自身を除く): 901741504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 5536, 6920, 13840, 23671, 27680, 47342, 94684, 118355, 189368, 236710, 378736, 473420, 757472, 946840, 1893680, 3787360, 4095083, 8190166, 16380332, 20475415, 32760664, 40950830, 65521328, 81901660, 131042656, 163803320, 327606640, 655213280]

約数ペア:

[(1, 655213280), (2, 327606640), (4, 163803320), (5, 131042656), (8, 81901660), (10, 65521328), (16, 40950830), (20, 32760664), (32, 20475415), (40, 16380332), (80, 8190166), (160, 4095083), (173, 3787360), (346, 1893680), (692, 946840), (865, 757472), (1384, 473420), (1730, 378736), (2768, 236710), (3460, 189368), (5536, 118355), (6920, 94684), (13840, 47342), (23671, 27680)]