40660480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2269}}^1$

素因数の和:2299

約数の個数: 80

約数和(自身を含む): 111466080

約数和(自身を除く): 70805600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2269, 2560, 3584, 4480, 4538, 8960, 9076, 11345, 15883, 17920, 18152, 22690, 31766, 36304, 45380, 63532, 72608, 79415, 90760, 127064, 145216, 158830, 181520, 254128, 290432, 317660, 363040, 508256, 580864, 635320, 726080, 1016512, 1161728, 1270640, 1452160, 2033024, 2541280, 2904320, 4066048, 5082560, 5808640, 8132096, 10165120, 20330240, 40660480]

約数ペア:

[(1, 40660480), (2, 20330240), (4, 10165120), (5, 8132096), (7, 5808640), (8, 5082560), (10, 4066048), (14, 2904320), (16, 2541280), (20, 2033024), (28, 1452160), (32, 1270640), (35, 1161728), (40, 1016512), (56, 726080), (64, 635320), (70, 580864), (80, 508256), (112, 363040), (128, 317660), (140, 290432), (160, 254128), (224, 181520), (256, 158830), (280, 145216), (320, 127064), (448, 90760), (512, 79415), (560, 72608), (640, 63532), (896, 45380), (1120, 36304), (1280, 31766), (1792, 22690), (2240, 18152), (2269, 17920), (2560, 15883), (3584, 11345), (4480, 9076), (4538, 8960)]