31239980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 69177024

約数和(自身を除く): 37937044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 452, 460, 565, 601, 1130, 1202, 2260, 2404, 2599, 3005, 5198, 6010, 10396, 12020, 12995, 13823, 25990, 27646, 51980, 55292, 67913, 69115, 135826, 138230, 271652, 276460, 339565, 679130, 1358260, 1561999, 3123998, 6247996, 7809995, 15619990, 31239980]

約数ペア:

[(1, 31239980), (2, 15619990), (4, 7809995), (5, 6247996), (10, 3123998), (20, 1561999), (23, 1358260), (46, 679130), (92, 339565), (113, 276460), (115, 271652), (226, 138230), (230, 135826), (452, 69115), (460, 67913), (565, 55292), (601, 51980), (1130, 27646), (1202, 25990), (2260, 13823), (2404, 12995), (2599, 12020), (3005, 10396), (5198, 6010)]