200458840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122231}}^1$

素因数の和:122283

約数の個数: 32

約数和(自身を含む): 462036960

約数和(自身を除く): 261578120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122231, 244462, 488924, 611155, 977848, 1222310, 2444620, 4889240, 5011471, 10022942, 20045884, 25057355, 40091768, 50114710, 100229420, 200458840]

約数ペア:

[(1, 200458840), (2, 100229420), (4, 50114710), (5, 40091768), (8, 25057355), (10, 20045884), (20, 10022942), (40, 5011471), (41, 4889240), (82, 2444620), (164, 1222310), (205, 977848), (328, 611155), (410, 488924), (820, 244462), (1640, 122231)]