207519920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{31253}}^1$

素因数の和:31349

約数の個数: 40

約数和(自身を含む): 488312496

約数和(自身を除く): 280792576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 31253, 62506, 125012, 156265, 250024, 312530, 500048, 625060, 1250120, 2500240, 2593999, 5187998, 10375996, 12969995, 20751992, 25939990, 41503984, 51879980, 103759960, 207519920]

約数ペア:

[(1, 207519920), (2, 103759960), (4, 51879980), (5, 41503984), (8, 25939990), (10, 20751992), (16, 12969995), (20, 10375996), (40, 5187998), (80, 2593999), (83, 2500240), (166, 1250120), (332, 625060), (415, 500048), (664, 312530), (830, 250024), (1328, 156265), (1660, 125012), (3320, 62506), (6640, 31253)]