15820480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3833

約数の個数: 56

約数和(自身を含む): 40581072

約数和(自身を除く): 24760592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3803, 4160, 7606, 15212, 19015, 30424, 38030, 49439, 60848, 76060, 98878, 121696, 152120, 197756, 243392, 247195, 304240, 395512, 494390, 608480, 791024, 988780, 1216960, 1582048, 1977560, 3164096, 3955120, 7910240, 15820480]

約数ペア:

[(1, 15820480), (2, 7910240), (4, 3955120), (5, 3164096), (8, 1977560), (10, 1582048), (13, 1216960), (16, 988780), (20, 791024), (26, 608480), (32, 494390), (40, 395512), (52, 304240), (64, 247195), (65, 243392), (80, 197756), (104, 152120), (130, 121696), (160, 98878), (208, 76060), (260, 60848), (320, 49439), (416, 38030), (520, 30424), (832, 19015), (1040, 15212), (2080, 7606), (3803, 4160)]