40880980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4787}}^1$

素因数の和:4864

約数の個数: 48

約数和(自身を含む): 99743616

約数和(自身を除く): 58862636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 4787, 8540, 9574, 19148, 23935, 33509, 47870, 67018, 95740, 134036, 167545, 292007, 335090, 584014, 670180, 1168028, 1460035, 2044049, 2920070, 4088098, 5840140, 8176196, 10220245, 20440490, 40880980]

約数ペア:

[(1, 40880980), (2, 20440490), (4, 10220245), (5, 8176196), (7, 5840140), (10, 4088098), (14, 2920070), (20, 2044049), (28, 1460035), (35, 1168028), (61, 670180), (70, 584014), (122, 335090), (140, 292007), (244, 167545), (305, 134036), (427, 95740), (610, 67018), (854, 47870), (1220, 33509), (1708, 23935), (2135, 19148), (4270, 9574), (4787, 8540)]