123180040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{162079}}^1$

素因数の和:162109

約数の個数: 32

約数和(自身を含む): 291744000

約数和(自身を除く): 168563960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 162079, 324158, 648316, 810395, 1296632, 1620790, 3079501, 3241580, 6159002, 6483160, 12318004, 15397505, 24636008, 30795010, 61590020, 123180040]

約数ペア:

[(1, 123180040), (2, 61590020), (4, 30795010), (5, 24636008), (8, 15397505), (10, 12318004), (19, 6483160), (20, 6159002), (38, 3241580), (40, 3079501), (76, 1620790), (95, 1296632), (152, 810395), (190, 648316), (380, 324158), (760, 162079)]