28272640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 74299680

約数和(自身を除く): 46027040

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, 251, 256, 320, 352, 440, 502, 512, 640, 704, 880, 1004, 1024, 1255, 1280, 1408, 1760, 2008, 2048, 2510, 2560, 2761, 2816, 3520, 4016, 5020, 5120, 5522, 5632, 7040, 8032, 10040, 10240, 11044, 11264, 13805, 14080, 16064, 20080, 22088, 22528, 27610, 28160, 32128, 40160, 44176, 55220, 56320, 64256, 80320, 88352, 110440, 112640, 128512, 160640, 176704, 220880, 257024, 321280, 353408, 441760, 514048, 642560, 706816, 883520, 1285120, 1413632, 1767040, 2570240, 2827264, 3534080, 5654528, 7068160, 14136320, 28272640]

約数ペア:

[(1, 28272640), (2, 14136320), (4, 7068160), (5, 5654528), (8, 3534080), (10, 2827264), (11, 2570240), (16, 1767040), (20, 1413632), (22, 1285120), (32, 883520), (40, 706816), (44, 642560), (55, 514048), (64, 441760), (80, 353408), (88, 321280), (110, 257024), (128, 220880), (160, 176704), (176, 160640), (220, 128512), (251, 112640), (256, 110440), (320, 88352), (352, 80320), (440, 64256), (502, 56320), (512, 55220), (640, 44176), (704, 40160), (880, 32128), (1004, 28160), (1024, 27610), (1255, 22528), (1280, 22088), (1408, 20080), (1760, 16064), (2008, 14080), (2048, 13805), (2510, 11264), (2560, 11044), (2761, 10240), (2816, 10040), (3520, 8032), (4016, 7040), (5020, 5632), (5120, 5522)]