128560360

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{38723}}^1$

素因数の和:38817

約数の個数: 32

約数和(自身を含む): 292753440

約数和(自身を除く): 164193080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 38723, 77446, 154892, 193615, 309784, 387230, 774460, 1548920, 3214009, 6428018, 12856036, 16070045, 25712072, 32140090, 64280180, 128560360]

約数ペア:

[(1, 128560360), (2, 64280180), (4, 32140090), (5, 25712072), (8, 16070045), (10, 12856036), (20, 6428018), (40, 3214009), (83, 1548920), (166, 774460), (332, 387230), (415, 309784), (664, 193615), (830, 154892), (1660, 77446), (3320, 38723)]