4711640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 10780560

約数和(自身を除く): 6068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1931, 2440, 3862, 7724, 9655, 15448, 19310, 38620, 77240, 117791, 235582, 471164, 588955, 942328, 1177910, 2355820, 4711640]

約数ペア:

[(1, 4711640), (2, 2355820), (4, 1177910), (5, 942328), (8, 588955), (10, 471164), (20, 235582), (40, 117791), (61, 77240), (122, 38620), (244, 19310), (305, 15448), (488, 9655), (610, 7724), (1220, 3862), (1931, 2440)]