85811920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63097}}^1$

素因数の和:63127

約数の個数: 40

約数和(自身を含む): 211252104

約数和(自身を除く): 125440184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 63097, 126194, 252388, 315485, 504776, 630970, 1009552, 1072649, 1261940, 2145298, 2523880, 4290596, 5047760, 5363245, 8581192, 10726490, 17162384, 21452980, 42905960, 85811920]

約数ペア:

[(1, 85811920), (2, 42905960), (4, 21452980), (5, 17162384), (8, 10726490), (10, 8581192), (16, 5363245), (17, 5047760), (20, 4290596), (34, 2523880), (40, 2145298), (68, 1261940), (80, 1072649), (85, 1009552), (136, 630970), (170, 504776), (272, 315485), (340, 252388), (680, 126194), (1360, 63097)]