87040480

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 206194464

約数和(自身を除く): 119153984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 823, 1322, 1646, 2644, 3292, 3305, 4115, 5288, 6584, 6610, 8230, 10576, 13168, 13220, 16460, 21152, 26336, 26440, 32920, 52880, 65840, 105760, 131680, 544003, 1088006, 2176012, 2720015, 4352024, 5440030, 8704048, 10880060, 17408096, 21760120, 43520240, 87040480]

約数ペア:

[(1, 87040480), (2, 43520240), (4, 21760120), (5, 17408096), (8, 10880060), (10, 8704048), (16, 5440030), (20, 4352024), (32, 2720015), (40, 2176012), (80, 1088006), (160, 544003), (661, 131680), (823, 105760), (1322, 65840), (1646, 52880), (2644, 32920), (3292, 26440), (3305, 26336), (4115, 21152), (5288, 16460), (6584, 13220), (6610, 13168), (8230, 10576)]