1991533760

素因数分解:

$2^6\times 5^1\times {\mathrm{509}}^1\times {\mathrm{12227}}^1$

素因数の和:12753

約数の個数: 56

約数和(自身を含む): 4752045360

約数和(自身を除く): 2760511600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 509, 1018, 2036, 2545, 4072, 5090, 8144, 10180, 12227, 16288, 20360, 24454, 32576, 40720, 48908, 61135, 81440, 97816, 122270, 162880, 195632, 244540, 391264, 489080, 782528, 978160, 1956320, 3912640, 6223543, 12447086, 24894172, 31117715, 49788344, 62235430, 99576688, 124470860, 199153376, 248941720, 398306752, 497883440, 995766880, 1991533760]

約数ペア:

[(1, 1991533760), (2, 995766880), (4, 497883440), (5, 398306752), (8, 248941720), (10, 199153376), (16, 124470860), (20, 99576688), (32, 62235430), (40, 49788344), (64, 31117715), (80, 24894172), (160, 12447086), (320, 6223543), (509, 3912640), (1018, 1956320), (2036, 978160), (2545, 782528), (4072, 489080), (5090, 391264), (8144, 244540), (10180, 195632), (12227, 162880), (16288, 122270), (20360, 97816), (24454, 81440), (32576, 61135), (40720, 48908)]