80438330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5153}}^1$

素因数の和:5390

約数の個数: 32

約数和(自身を含む): 166247424

約数和(自身を除く): 85809094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1561, 2230, 3122, 5153, 7805, 10306, 15610, 25765, 36071, 51530, 72142, 180355, 360710, 1149119, 2298238, 5745595, 8043833, 11491190, 16087666, 40219165, 80438330]

約数ペア:

[(1, 80438330), (2, 40219165), (5, 16087666), (7, 11491190), (10, 8043833), (14, 5745595), (35, 2298238), (70, 1149119), (223, 360710), (446, 180355), (1115, 72142), (1561, 51530), (2230, 36071), (3122, 25765), (5153, 15610), (7805, 10306)]