3788720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1$

素因数の和:3669

約数の個数: 40

約数和(自身を含む): 9488976

約数和(自身を除く): 5700256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3643, 7286, 14572, 18215, 29144, 36430, 47359, 58288, 72860, 94718, 145720, 189436, 236795, 291440, 378872, 473590, 757744, 947180, 1894360, 3788720]

約数ペア:

[(1, 3788720), (2, 1894360), (4, 947180), (5, 757744), (8, 473590), (10, 378872), (13, 291440), (16, 236795), (20, 189436), (26, 145720), (40, 94718), (52, 72860), (65, 58288), (80, 47359), (104, 36430), (130, 29144), (208, 18215), (260, 14572), (520, 7286), (1040, 3643)]