201620088580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1\times {\mathrm{223481}}^1$

素因数の和:224140

約数の個数: 48

約数和(自身を含む): 429514525440

約数和(自身を除く): 227894436860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 571, 790, 1142, 1580, 2284, 2855, 5710, 11420, 45109, 90218, 180436, 223481, 225545, 446962, 451090, 893924, 902180, 1117405, 2234810, 4469620, 17654999, 35309998, 70619996, 88274995, 127607651, 176549990, 255215302, 353099980, 510430604, 638038255, 1276076510, 2552153020, 10081004429, 20162008858, 40324017716, 50405022145, 100810044290, 201620088580]

約数ペア:

[(1, 201620088580), (2, 100810044290), (4, 50405022145), (5, 40324017716), (10, 20162008858), (20, 10081004429), (79, 2552153020), (158, 1276076510), (316, 638038255), (395, 510430604), (571, 353099980), (790, 255215302), (1142, 176549990), (1580, 127607651), (2284, 88274995), (2855, 70619996), (5710, 35309998), (11420, 17654999), (45109, 4469620), (90218, 2234810), (180436, 1117405), (223481, 902180), (225545, 893924), (446962, 451090)]