40979680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5227}}^1$

素因数の和:5256

約数の個数: 72

約数和(自身を含む): 112642488

約数和(自身を除く): 71662808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5227, 7840, 10454, 20908, 26135, 36589, 41816, 52270, 73178, 83632, 104540, 146356, 167264, 182945, 209080, 256123, 292712, 365890, 418160, 512246, 585424, 731780, 836320, 1024492, 1170848, 1280615, 1463560, 2048984, 2561230, 2927120, 4097968, 5122460, 5854240, 8195936, 10244920, 20489840, 40979680]

約数ペア:

[(1, 40979680), (2, 20489840), (4, 10244920), (5, 8195936), (7, 5854240), (8, 5122460), (10, 4097968), (14, 2927120), (16, 2561230), (20, 2048984), (28, 1463560), (32, 1280615), (35, 1170848), (40, 1024492), (49, 836320), (56, 731780), (70, 585424), (80, 512246), (98, 418160), (112, 365890), (140, 292712), (160, 256123), (196, 209080), (224, 182945), (245, 167264), (280, 146356), (392, 104540), (490, 83632), (560, 73178), (784, 52270), (980, 41816), (1120, 36589), (1568, 26135), (1960, 20908), (3920, 10454), (5227, 7840)]