160993880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 375580800

約数和(自身を除く): 214586920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 890, 1103, 1640, 1780, 2206, 3560, 3649, 4412, 5515, 7298, 8824, 11030, 14596, 18245, 22060, 29192, 36490, 44120, 45223, 72980, 90446, 98167, 145960, 180892, 196334, 226115, 361784, 392668, 452230, 490835, 785336, 904460, 981670, 1808920, 1963340, 3926680, 4024847, 8049694, 16099388, 20124235, 32198776, 40248470, 80496940, 160993880]

約数ペア:

[(1, 160993880), (2, 80496940), (4, 40248470), (5, 32198776), (8, 20124235), (10, 16099388), (20, 8049694), (40, 4024847), (41, 3926680), (82, 1963340), (89, 1808920), (164, 981670), (178, 904460), (205, 785336), (328, 490835), (356, 452230), (410, 392668), (445, 361784), (712, 226115), (820, 196334), (890, 180892), (1103, 145960), (1640, 98167), (1780, 90446), (2206, 72980), (3560, 45223), (3649, 44120), (4412, 36490), (5515, 29192), (7298, 22060), (8824, 18245), (11030, 14596)]