40991720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13309}}^1$

素因数の和:13338

約数の個数: 64

約数和(自身を含む): 114998400

約数和(自身を除く): 74006680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13309, 26618, 53236, 66545, 93163, 106472, 133090, 146399, 186326, 266180, 292798, 372652, 465815, 532360, 585596, 731995, 745304, 931630, 1024793, 1171192, 1463990, 1863260, 2049586, 2927980, 3726520, 4099172, 5123965, 5855960, 8198344, 10247930, 20495860, 40991720]

約数ペア:

[(1, 40991720), (2, 20495860), (4, 10247930), (5, 8198344), (7, 5855960), (8, 5123965), (10, 4099172), (11, 3726520), (14, 2927980), (20, 2049586), (22, 1863260), (28, 1463990), (35, 1171192), (40, 1024793), (44, 931630), (55, 745304), (56, 731995), (70, 585596), (77, 532360), (88, 465815), (110, 372652), (140, 292798), (154, 266180), (220, 186326), (280, 146399), (308, 133090), (385, 106472), (440, 93163), (616, 66545), (770, 53236), (1540, 26618), (3080, 13309)]