40999280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10459}}^1$

素因数の和:10486

約数の個数: 60

約数和(自身を含む): 110896920

約数和(自身を除く): 69897640

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, 10459, 20918, 41836, 52295, 73213, 83672, 104590, 146426, 167344, 209180, 292852, 366065, 418360, 512491, 585704, 732130, 836720, 1024982, 1171408, 1464260, 2049964, 2562455, 2928520, 4099928, 5124910, 5857040, 8199856, 10249820, 20499640, 40999280]

約数ペア:

[(1, 40999280), (2, 20499640), (4, 10249820), (5, 8199856), (7, 5857040), (8, 5124910), (10, 4099928), (14, 2928520), (16, 2562455), (20, 2049964), (28, 1464260), (35, 1171408), (40, 1024982), (49, 836720), (56, 732130), (70, 585704), (80, 512491), (98, 418360), (112, 366065), (140, 292852), (196, 209180), (245, 167344), (280, 146426), (392, 104590), (490, 83672), (560, 73213), (784, 52295), (980, 41836), (1960, 20918), (3920, 10459)]