56541440

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 136768128

約数和(自身を除く): 80226688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 271, 320, 326, 542, 640, 652, 815, 1084, 1280, 1304, 1355, 1630, 2168, 2608, 2710, 3260, 4336, 5216, 5420, 6520, 8672, 10432, 10840, 13040, 17344, 20864, 21680, 26080, 34688, 41728, 43360, 44173, 52160, 69376, 86720, 88346, 104320, 173440, 176692, 208640, 220865, 346880, 353384, 441730, 706768, 883460, 1413536, 1766920, 2827072, 3533840, 5654144, 7067680, 11308288, 14135360, 28270720, 56541440]

約数ペア:

[(1, 56541440), (2, 28270720), (4, 14135360), (5, 11308288), (8, 7067680), (10, 5654144), (16, 3533840), (20, 2827072), (32, 1766920), (40, 1413536), (64, 883460), (80, 706768), (128, 441730), (160, 353384), (163, 346880), (256, 220865), (271, 208640), (320, 176692), (326, 173440), (542, 104320), (640, 88346), (652, 86720), (815, 69376), (1084, 52160), (1280, 44173), (1304, 43360), (1355, 41728), (1630, 34688), (2168, 26080), (2608, 21680), (2710, 20864), (3260, 17344), (4336, 13040), (5216, 10840), (5420, 10432), (6520, 8672)]