80526880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71899}}^1$

素因数の和:71921

約数の個数: 48

約数和(自身を含む): 217425600

約数和(自身を除く): 136898720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71899, 143798, 287596, 359495, 503293, 575192, 718990, 1006586, 1150384, 1437980, 2013172, 2300768, 2516465, 2875960, 4026344, 5032930, 5751920, 8052688, 10065860, 11503840, 16105376, 20131720, 40263440, 80526880]

約数ペア:

[(1, 80526880), (2, 40263440), (4, 20131720), (5, 16105376), (7, 11503840), (8, 10065860), (10, 8052688), (14, 5751920), (16, 5032930), (20, 4026344), (28, 2875960), (32, 2516465), (35, 2300768), (40, 2013172), (56, 1437980), (70, 1150384), (80, 1006586), (112, 718990), (140, 575192), (160, 503293), (224, 359495), (280, 287596), (560, 143798), (1120, 71899)]