25946960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 66193680

約数和(自身を除く): 40246720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 409, 488, 520, 610, 793, 818, 976, 1040, 1220, 1586, 1636, 2045, 2440, 3172, 3272, 3965, 4090, 4880, 5317, 6344, 6544, 7930, 8180, 10634, 12688, 15860, 16360, 21268, 24949, 26585, 31720, 32720, 42536, 49898, 53170, 63440, 85072, 99796, 106340, 124745, 199592, 212680, 249490, 324337, 399184, 425360, 498980, 648674, 997960, 1297348, 1621685, 1995920, 2594696, 3243370, 5189392, 6486740, 12973480, 25946960]

約数ペア:

[(1, 25946960), (2, 12973480), (4, 6486740), (5, 5189392), (8, 3243370), (10, 2594696), (13, 1995920), (16, 1621685), (20, 1297348), (26, 997960), (40, 648674), (52, 498980), (61, 425360), (65, 399184), (80, 324337), (104, 249490), (122, 212680), (130, 199592), (208, 124745), (244, 106340), (260, 99796), (305, 85072), (409, 63440), (488, 53170), (520, 49898), (610, 42536), (793, 32720), (818, 31720), (976, 26585), (1040, 24949), (1220, 21268), (1586, 16360), (1636, 15860), (2045, 12688), (2440, 10634), (3172, 8180), (3272, 7930), (3965, 6544), (4090, 6344), (4880, 5317)]