40769120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 96

約数和(自身を含む): 111585600

約数和(自身を除く): 70816480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 356, 409, 445, 560, 623, 712, 818, 890, 1120, 1246, 1424, 1636, 1780, 2045, 2492, 2848, 2863, 3115, 3272, 3560, 4090, 4984, 5726, 6230, 6544, 7120, 8180, 9968, 11452, 12460, 13088, 14240, 14315, 16360, 19936, 22904, 24920, 28630, 32720, 36401, 45808, 49840, 57260, 65440, 72802, 91616, 99680, 114520, 145604, 182005, 229040, 254807, 291208, 364010, 458080, 509614, 582416, 728020, 1019228, 1164832, 1274035, 1456040, 2038456, 2548070, 2912080, 4076912, 5096140, 5824160, 8153824, 10192280, 20384560, 40769120]

約数ペア:

[(1, 40769120), (2, 20384560), (4, 10192280), (5, 8153824), (7, 5824160), (8, 5096140), (10, 4076912), (14, 2912080), (16, 2548070), (20, 2038456), (28, 1456040), (32, 1274035), (35, 1164832), (40, 1019228), (56, 728020), (70, 582416), (80, 509614), (89, 458080), (112, 364010), (140, 291208), (160, 254807), (178, 229040), (224, 182005), (280, 145604), (356, 114520), (409, 99680), (445, 91616), (560, 72802), (623, 65440), (712, 57260), (818, 49840), (890, 45808), (1120, 36401), (1246, 32720), (1424, 28630), (1636, 24920), (1780, 22904), (2045, 19936), (2492, 16360), (2848, 14315), (2863, 14240), (3115, 13088), (3272, 12460), (3560, 11452), (4090, 9968), (4984, 8180), (5726, 7120), (6230, 6544)]