16684720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 42622272

約数和(自身を除く): 25937552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 263, 305, 488, 520, 526, 610, 793, 976, 1040, 1052, 1220, 1315, 1586, 2104, 2440, 2630, 3172, 3419, 3965, 4208, 4880, 5260, 6344, 6838, 7930, 10520, 12688, 13676, 15860, 16043, 17095, 21040, 27352, 31720, 32086, 34190, 54704, 63440, 64172, 68380, 80215, 128344, 136760, 160430, 208559, 256688, 273520, 320860, 417118, 641720, 834236, 1042795, 1283440, 1668472, 2085590, 3336944, 4171180, 8342360, 16684720]

約数ペア:

[(1, 16684720), (2, 8342360), (4, 4171180), (5, 3336944), (8, 2085590), (10, 1668472), (13, 1283440), (16, 1042795), (20, 834236), (26, 641720), (40, 417118), (52, 320860), (61, 273520), (65, 256688), (80, 208559), (104, 160430), (122, 136760), (130, 128344), (208, 80215), (244, 68380), (260, 64172), (263, 63440), (305, 54704), (488, 34190), (520, 32086), (526, 31720), (610, 27352), (793, 21040), (976, 17095), (1040, 16043), (1052, 15860), (1220, 13676), (1315, 12688), (1586, 10520), (2104, 7930), (2440, 6838), (2630, 6344), (3172, 5260), (3419, 4880), (3965, 4208)]