39620560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 106243200

約数和(自身を除く): 66622640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 509, 556, 560, 695, 973, 1018, 1112, 1390, 1946, 2036, 2224, 2545, 2780, 3563, 3892, 4072, 4865, 5090, 5560, 7126, 7784, 8144, 9730, 10180, 11120, 14252, 15568, 17815, 19460, 20360, 28504, 35630, 38920, 40720, 57008, 70751, 71260, 77840, 141502, 142520, 283004, 285040, 353755, 495257, 566008, 707510, 990514, 1132016, 1415020, 1981028, 2476285, 2830040, 3962056, 4952570, 5660080, 7924112, 9905140, 19810280, 39620560]

約数ペア:

[(1, 39620560), (2, 19810280), (4, 9905140), (5, 7924112), (7, 5660080), (8, 4952570), (10, 3962056), (14, 2830040), (16, 2476285), (20, 1981028), (28, 1415020), (35, 1132016), (40, 990514), (56, 707510), (70, 566008), (80, 495257), (112, 353755), (139, 285040), (140, 283004), (278, 142520), (280, 141502), (509, 77840), (556, 71260), (560, 70751), (695, 57008), (973, 40720), (1018, 38920), (1112, 35630), (1390, 28504), (1946, 20360), (2036, 19460), (2224, 17815), (2545, 15568), (2780, 14252), (3563, 11120), (3892, 10180), (4072, 9730), (4865, 8144), (5090, 7784), (5560, 7126)]