78844720

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3169}}^1$

素因数の和:3493

約数の個数: 40

約数和(自身を含む): 183961440

約数和(自身を除く): 105116720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 3169, 4976, 6220, 6338, 12440, 12676, 15845, 24880, 25352, 31690, 50704, 63380, 126760, 253520, 985559, 1971118, 3942236, 4927795, 7884472, 9855590, 15768944, 19711180, 39422360, 78844720]

約数ペア:

[(1, 78844720), (2, 39422360), (4, 19711180), (5, 15768944), (8, 9855590), (10, 7884472), (16, 4927795), (20, 3942236), (40, 1971118), (80, 985559), (311, 253520), (622, 126760), (1244, 63380), (1555, 50704), (2488, 31690), (3110, 25352), (3169, 24880), (4976, 15845), (6220, 12676), (6338, 12440)]