40143040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17921}}^1$

素因数の和:17945

約数の個数: 56

約数和(自身を含む): 109252512

約数和(自身を除く): 69109472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 17921, 35842, 71684, 89605, 125447, 143368, 179210, 250894, 286736, 358420, 501788, 573472, 627235, 716840, 1003576, 1146944, 1254470, 1433680, 2007152, 2508940, 2867360, 4014304, 5017880, 5734720, 8028608, 10035760, 20071520, 40143040]

約数ペア:

[(1, 40143040), (2, 20071520), (4, 10035760), (5, 8028608), (7, 5734720), (8, 5017880), (10, 4014304), (14, 2867360), (16, 2508940), (20, 2007152), (28, 1433680), (32, 1254470), (35, 1146944), (40, 1003576), (56, 716840), (64, 627235), (70, 573472), (80, 501788), (112, 358420), (140, 286736), (160, 250894), (224, 179210), (280, 143368), (320, 125447), (448, 89605), (560, 71684), (1120, 35842), (2240, 17921)]