7778338880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1869793}}^1$

素因数の和:1869823

約数の個数: 56

約数和(自身を含む): 19946962392

約数和(自身を除く): 12168623512

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, 4160, 1869793, 3739586, 7479172, 9348965, 14958344, 18697930, 24307309, 29916688, 37395860, 48614618, 59833376, 74791720, 97229236, 119666752, 121536545, 149583440, 194458472, 243073090, 299166880, 388916944, 486146180, 598333760, 777833888, 972292360, 1555667776, 1944584720, 3889169440, 7778338880]

約数ペア:

[(1, 7778338880), (2, 3889169440), (4, 1944584720), (5, 1555667776), (8, 972292360), (10, 777833888), (13, 598333760), (16, 486146180), (20, 388916944), (26, 299166880), (32, 243073090), (40, 194458472), (52, 149583440), (64, 121536545), (65, 119666752), (80, 97229236), (104, 74791720), (130, 59833376), (160, 48614618), (208, 37395860), (260, 29916688), (320, 24307309), (416, 18697930), (520, 14958344), (832, 9348965), (1040, 7479172), (2080, 3739586), (4160, 1869793)]