91570720

素因数分解:

$2^5\times 5^1\times {\mathrm{631}}^1\times {\mathrm{907}}^1$

素因数の和:1553

約数の個数: 48

約数和(自身を含む): 216917568

約数和(自身を除く): 125346848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 631, 907, 1262, 1814, 2524, 3155, 3628, 4535, 5048, 6310, 7256, 9070, 10096, 12620, 14512, 18140, 20192, 25240, 29024, 36280, 50480, 72560, 100960, 145120, 572317, 1144634, 2289268, 2861585, 4578536, 5723170, 9157072, 11446340, 18314144, 22892680, 45785360, 91570720]

約数ペア:

[(1, 91570720), (2, 45785360), (4, 22892680), (5, 18314144), (8, 11446340), (10, 9157072), (16, 5723170), (20, 4578536), (32, 2861585), (40, 2289268), (80, 1144634), (160, 572317), (631, 145120), (907, 100960), (1262, 72560), (1814, 50480), (2524, 36280), (3155, 29024), (3628, 25240), (4535, 20192), (5048, 18140), (6310, 14512), (7256, 12620), (9070, 10096)]