83520040

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12503}}^1$

素因数の和:12681

約数の個数: 32

約数和(自身を含む): 189060480

約数和(自身を除く): 105540440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 12503, 25006, 50012, 62515, 100024, 125030, 250060, 500120, 2088001, 4176002, 8352004, 10440005, 16704008, 20880010, 41760020, 83520040]

約数ペア:

[(1, 83520040), (2, 41760020), (4, 20880010), (5, 16704008), (8, 10440005), (10, 8352004), (20, 4176002), (40, 2088001), (167, 500120), (334, 250060), (668, 125030), (835, 100024), (1336, 62515), (1670, 50012), (3340, 25006), (6680, 12503)]