40438720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{2579}}^1$

素因数の和:2610

約数の個数: 84

約数和(自身を含む): 112059720

約数和(自身を除く): 71621000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 2579, 3136, 3920, 5158, 7840, 10316, 12895, 15680, 18053, 20632, 25790, 36106, 41264, 51580, 72212, 82528, 90265, 103160, 126371, 144424, 165056, 180530, 206320, 252742, 288848, 361060, 412640, 505484, 577696, 631855, 722120, 825280, 1010968, 1155392, 1263710, 1444240, 2021936, 2527420, 2888480, 4043872, 5054840, 5776960, 8087744, 10109680, 20219360, 40438720]

約数ペア:

[(1, 40438720), (2, 20219360), (4, 10109680), (5, 8087744), (7, 5776960), (8, 5054840), (10, 4043872), (14, 2888480), (16, 2527420), (20, 2021936), (28, 1444240), (32, 1263710), (35, 1155392), (40, 1010968), (49, 825280), (56, 722120), (64, 631855), (70, 577696), (80, 505484), (98, 412640), (112, 361060), (140, 288848), (160, 252742), (196, 206320), (224, 180530), (245, 165056), (280, 144424), (320, 126371), (392, 103160), (448, 90265), (490, 82528), (560, 72212), (784, 51580), (980, 41264), (1120, 36106), (1568, 25790), (1960, 20632), (2240, 18053), (2579, 15680), (3136, 12895), (3920, 10316), (5158, 7840)]