28856960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4099}}^1$

素因数の和:4129

約数の個数: 64

約数和(自身を含む): 75276000

約数和(自身を除く): 46419040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4099, 7040, 8198, 16396, 20495, 32792, 40990, 45089, 65584, 81980, 90178, 131168, 163960, 180356, 225445, 262336, 327920, 360712, 450890, 524672, 655840, 721424, 901780, 1311680, 1442848, 1803560, 2623360, 2885696, 3607120, 5771392, 7214240, 14428480, 28856960]

約数ペア:

[(1, 28856960), (2, 14428480), (4, 7214240), (5, 5771392), (8, 3607120), (10, 2885696), (11, 2623360), (16, 1803560), (20, 1442848), (22, 1311680), (32, 901780), (40, 721424), (44, 655840), (55, 524672), (64, 450890), (80, 360712), (88, 327920), (110, 262336), (128, 225445), (160, 180356), (176, 163960), (220, 131168), (320, 90178), (352, 81980), (440, 65584), (640, 45089), (704, 40990), (880, 32792), (1408, 20495), (1760, 16396), (3520, 8198), (4099, 7040)]