824720

素因数分解:

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

素因数の和:100

約数の個数: 60

約数和(自身を含む): 2110356

約数和(自身を除く): 1285636

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 169, 208, 244, 260, 305, 338, 488, 520, 610, 676, 793, 845, 976, 1040, 1220, 1352, 1586, 1690, 2440, 2704, 3172, 3380, 3965, 4880, 6344, 6760, 7930, 10309, 12688, 13520, 15860, 20618, 31720, 41236, 51545, 63440, 82472, 103090, 164944, 206180, 412360, 824720]

約数ペア:

[(1, 824720), (2, 412360), (4, 206180), (5, 164944), (8, 103090), (10, 82472), (13, 63440), (16, 51545), (20, 41236), (26, 31720), (40, 20618), (52, 15860), (61, 13520), (65, 12688), (80, 10309), (104, 7930), (122, 6760), (130, 6344), (169, 4880), (208, 3965), (244, 3380), (260, 3172), (305, 2704), (338, 2440), (488, 1690), (520, 1586), (610, 1352), (676, 1220), (793, 1040), (845, 976)]