40458040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 104924160

約数和(自身を除く): 64466120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1103, 1310, 1834, 2206, 2620, 3668, 4412, 4585, 5240, 5515, 7336, 7721, 8824, 9170, 11030, 15442, 18340, 22060, 30884, 36680, 38605, 44120, 61768, 77210, 144493, 154420, 288986, 308840, 577972, 722465, 1011451, 1155944, 1444930, 2022902, 2889860, 4045804, 5057255, 5779720, 8091608, 10114510, 20229020, 40458040]

約数ペア:

[(1, 40458040), (2, 20229020), (4, 10114510), (5, 8091608), (7, 5779720), (8, 5057255), (10, 4045804), (14, 2889860), (20, 2022902), (28, 1444930), (35, 1155944), (40, 1011451), (56, 722465), (70, 577972), (131, 308840), (140, 288986), (262, 154420), (280, 144493), (524, 77210), (655, 61768), (917, 44120), (1048, 38605), (1103, 36680), (1310, 30884), (1834, 22060), (2206, 18340), (2620, 15442), (3668, 11030), (4412, 9170), (4585, 8824), (5240, 7721), (5515, 7336)]