40390020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20425

約数の個数: 72

約数和(自身を含む): 133660800

約数和(自身を除く): 93270780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 20399, 40798, 61197, 81596, 101995, 122394, 183591, 203990, 224389, 244788, 305985, 367182, 407980, 448778, 611970, 673167, 734364, 897556, 917955, 1121945, 1223940, 1346334, 1835910, 2019501, 2243890, 2692668, 3365835, 3671820, 4039002, 4487780, 6731670, 8078004, 10097505, 13463340, 20195010, 40390020]

約数ペア:

[(1, 40390020), (2, 20195010), (3, 13463340), (4, 10097505), (5, 8078004), (6, 6731670), (9, 4487780), (10, 4039002), (11, 3671820), (12, 3365835), (15, 2692668), (18, 2243890), (20, 2019501), (22, 1835910), (30, 1346334), (33, 1223940), (36, 1121945), (44, 917955), (45, 897556), (55, 734364), (60, 673167), (66, 611970), (90, 448778), (99, 407980), (110, 367182), (132, 305985), (165, 244788), (180, 224389), (198, 203990), (220, 183591), (330, 122394), (396, 101995), (495, 81596), (660, 61197), (990, 40798), (1980, 20399)]