28375040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 72530640

約数和(自身を除く): 44155600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 163, 170, 256, 272, 320, 326, 340, 512, 544, 640, 652, 680, 815, 1024, 1088, 1280, 1304, 1360, 1630, 2048, 2176, 2560, 2608, 2720, 2771, 3260, 4352, 5120, 5216, 5440, 5542, 6520, 8704, 10240, 10432, 10880, 11084, 13040, 13855, 17408, 20864, 21760, 22168, 26080, 27710, 34816, 41728, 43520, 44336, 52160, 55420, 83456, 87040, 88672, 104320, 110840, 166912, 174080, 177344, 208640, 221680, 333824, 354688, 417280, 443360, 709376, 834560, 886720, 1418752, 1669120, 1773440, 2837504, 3546880, 5675008, 7093760, 14187520, 28375040]

約数ペア:

[(1, 28375040), (2, 14187520), (4, 7093760), (5, 5675008), (8, 3546880), (10, 2837504), (16, 1773440), (17, 1669120), (20, 1418752), (32, 886720), (34, 834560), (40, 709376), (64, 443360), (68, 417280), (80, 354688), (85, 333824), (128, 221680), (136, 208640), (160, 177344), (163, 174080), (170, 166912), (256, 110840), (272, 104320), (320, 88672), (326, 87040), (340, 83456), (512, 55420), (544, 52160), (640, 44336), (652, 43520), (680, 41728), (815, 34816), (1024, 27710), (1088, 26080), (1280, 22168), (1304, 21760), (1360, 20864), (1630, 17408), (2048, 13855), (2176, 13040), (2560, 11084), (2608, 10880), (2720, 10432), (2771, 10240), (3260, 8704), (4352, 6520), (5120, 5542), (5216, 5440)]