513727540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{27239}}^1$

素因数の和:27312

約数の個数: 48

約数和(自身を含む): 1153232640

約数和(自身を除く): 639505100

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860, 27239, 54478, 108956, 136195, 272390, 544780, 626497, 1116799, 1252994, 2233598, 2505988, 3132485, 4467196, 5583995, 6264970, 11167990, 12529940, 22335980, 25686377, 51372754, 102745508, 128431885, 256863770, 513727540]

約数ペア:

[(1, 513727540), (2, 256863770), (4, 128431885), (5, 102745508), (10, 51372754), (20, 25686377), (23, 22335980), (41, 12529940), (46, 11167990), (82, 6264970), (92, 5583995), (115, 4467196), (164, 3132485), (205, 2505988), (230, 2233598), (410, 1252994), (460, 1116799), (820, 626497), (943, 544780), (1886, 272390), (3772, 136195), (4715, 108956), (9430, 54478), (18860, 27239)]