66852520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238759}}^1$

素因数の和:238777

約数の個数: 32

約数和(自身を含む): 171907200

約数和(自身を除く): 105054680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238759, 477518, 955036, 1193795, 1671313, 1910072, 2387590, 3342626, 4775180, 6685252, 8356565, 9550360, 13370504, 16713130, 33426260, 66852520]

約数ペア:

[(1, 66852520), (2, 33426260), (4, 16713130), (5, 13370504), (7, 9550360), (8, 8356565), (10, 6685252), (14, 4775180), (20, 3342626), (28, 2387590), (35, 1910072), (40, 1671313), (56, 1193795), (70, 955036), (140, 477518), (280, 238759)]