16980456520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1\times {\mathrm{4813}}^1$

素因数の和:5474

約数の個数: 64

約数和(自身を含む): 38496017520

約数和(自身を除く): 21515561000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 457, 772, 914, 965, 1544, 1828, 1930, 2285, 3656, 3860, 4570, 4813, 7720, 9140, 9626, 18280, 19252, 24065, 38504, 48130, 88201, 96260, 176402, 192520, 352804, 441005, 705608, 882010, 928909, 1764020, 1857818, 2199541, 3528040, 3715636, 4399082, 4644545, 7431272, 8798164, 9289090, 10997705, 17596328, 18578180, 21995410, 37156360, 43990820, 87981640, 424511413, 849022826, 1698045652, 2122557065, 3396091304, 4245114130, 8490228260, 16980456520]

約数ペア:

[(1, 16980456520), (2, 8490228260), (4, 4245114130), (5, 3396091304), (8, 2122557065), (10, 1698045652), (20, 849022826), (40, 424511413), (193, 87981640), (386, 43990820), (457, 37156360), (772, 21995410), (914, 18578180), (965, 17596328), (1544, 10997705), (1828, 9289090), (1930, 8798164), (2285, 7431272), (3656, 4644545), (3860, 4399082), (4570, 3715636), (4813, 3528040), (7720, 2199541), (9140, 1857818), (9626, 1764020), (18280, 928909), (19252, 882010), (24065, 705608), (38504, 441005), (48130, 352804), (88201, 192520), (96260, 176402)]