183740120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{28181}}^1$

素因数の和:28355

約数の個数: 32

約数和(自身を含む): 415966320

約数和(自身を除く): 232226200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 28181, 56362, 112724, 140905, 225448, 281810, 563620, 1127240, 4593503, 9187006, 18374012, 22967515, 36748024, 45935030, 91870060, 183740120]

約数ペア:

[(1, 183740120), (2, 91870060), (4, 45935030), (5, 36748024), (8, 22967515), (10, 18374012), (20, 9187006), (40, 4593503), (163, 1127240), (326, 563620), (652, 281810), (815, 225448), (1304, 140905), (1630, 112724), (3260, 56362), (6520, 28181)]