40494080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:755

約数の個数: 88

約数和(自身を含む): 106116480

約数和(自身を除く): 65622400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 719, 880, 1024, 1280, 1408, 1438, 1760, 2560, 2816, 2876, 3520, 3595, 5120, 5632, 5752, 7040, 7190, 7909, 11264, 11504, 14080, 14380, 15818, 23008, 28160, 28760, 31636, 39545, 46016, 56320, 57520, 63272, 79090, 92032, 115040, 126544, 158180, 184064, 230080, 253088, 316360, 368128, 460160, 506176, 632720, 736256, 920320, 1012352, 1265440, 1840640, 2024704, 2530880, 3681280, 4049408, 5061760, 8098816, 10123520, 20247040, 40494080]

約数ペア:

[(1, 40494080), (2, 20247040), (4, 10123520), (5, 8098816), (8, 5061760), (10, 4049408), (11, 3681280), (16, 2530880), (20, 2024704), (22, 1840640), (32, 1265440), (40, 1012352), (44, 920320), (55, 736256), (64, 632720), (80, 506176), (88, 460160), (110, 368128), (128, 316360), (160, 253088), (176, 230080), (220, 184064), (256, 158180), (320, 126544), (352, 115040), (440, 92032), (512, 79090), (640, 63272), (704, 57520), (719, 56320), (880, 46016), (1024, 39545), (1280, 31636), (1408, 28760), (1438, 28160), (1760, 23008), (2560, 15818), (2816, 14380), (2876, 14080), (3520, 11504), (3595, 11264), (5120, 7909), (5632, 7190), (5752, 7040)]