40975760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10453}}^1$

素因数の和:10480

約数の個数: 60

約数和(自身を含む): 110833308

約数和(自身を除く): 69857548

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10453, 20906, 41812, 52265, 73171, 83624, 104530, 146342, 167248, 209060, 292684, 365855, 418120, 512197, 585368, 731710, 836240, 1024394, 1170736, 1463420, 2048788, 2560985, 2926840, 4097576, 5121970, 5853680, 8195152, 10243940, 20487880, 40975760]

約数ペア:

[(1, 40975760), (2, 20487880), (4, 10243940), (5, 8195152), (7, 5853680), (8, 5121970), (10, 4097576), (14, 2926840), (16, 2560985), (20, 2048788), (28, 1463420), (35, 1170736), (40, 1024394), (49, 836240), (56, 731710), (70, 585368), (80, 512197), (98, 418120), (112, 365855), (140, 292684), (196, 209060), (245, 167248), (280, 146342), (392, 104530), (490, 83624), (560, 73171), (784, 52265), (980, 41812), (1960, 20906), (3920, 10453)]