13773640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 32367600

約数和(自身を除く): 18593960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 89, 106, 146, 178, 212, 265, 292, 356, 365, 424, 445, 530, 584, 712, 730, 890, 1060, 1460, 1780, 2120, 2920, 3560, 3869, 4717, 6497, 7738, 9434, 12994, 15476, 18868, 19345, 23585, 25988, 30952, 32485, 37736, 38690, 47170, 51976, 64970, 77380, 94340, 129940, 154760, 188680, 259880, 344341, 688682, 1377364, 1721705, 2754728, 3443410, 6886820, 13773640]

約数ペア:

[(1, 13773640), (2, 6886820), (4, 3443410), (5, 2754728), (8, 1721705), (10, 1377364), (20, 688682), (40, 344341), (53, 259880), (73, 188680), (89, 154760), (106, 129940), (146, 94340), (178, 77380), (212, 64970), (265, 51976), (292, 47170), (356, 38690), (365, 37736), (424, 32485), (445, 30952), (530, 25988), (584, 23585), (712, 19345), (730, 18868), (890, 15476), (1060, 12994), (1460, 9434), (1780, 7738), (2120, 6497), (2920, 4717), (3560, 3869)]