51847040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 144529920

約数和(自身を除く): 92682880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 163, 224, 280, 284, 320, 326, 355, 448, 497, 560, 568, 640, 652, 710, 815, 896, 994, 1120, 1136, 1141, 1304, 1420, 1630, 1988, 2240, 2272, 2282, 2485, 2608, 2840, 3260, 3976, 4480, 4544, 4564, 4970, 5216, 5680, 5705, 6520, 7952, 9088, 9128, 9940, 10432, 11360, 11410, 11573, 13040, 15904, 18256, 19880, 20864, 22720, 22820, 23146, 26080, 31808, 36512, 39760, 45440, 45640, 46292, 52160, 57865, 63616, 73024, 79520, 81011, 91280, 92584, 104320, 115730, 146048, 159040, 162022, 182560, 185168, 231460, 318080, 324044, 365120, 370336, 405055, 462920, 648088, 730240, 740672, 810110, 925840, 1296176, 1481344, 1620220, 1851680, 2592352, 3240440, 3703360, 5184704, 6480880, 7406720, 10369408, 12961760, 25923520, 51847040]

約数ペア:

[(1, 51847040), (2, 25923520), (4, 12961760), (5, 10369408), (7, 7406720), (8, 6480880), (10, 5184704), (14, 3703360), (16, 3240440), (20, 2592352), (28, 1851680), (32, 1620220), (35, 1481344), (40, 1296176), (56, 925840), (64, 810110), (70, 740672), (71, 730240), (80, 648088), (112, 462920), (128, 405055), (140, 370336), (142, 365120), (160, 324044), (163, 318080), (224, 231460), (280, 185168), (284, 182560), (320, 162022), (326, 159040), (355, 146048), (448, 115730), (497, 104320), (560, 92584), (568, 91280), (640, 81011), (652, 79520), (710, 73024), (815, 63616), (896, 57865), (994, 52160), (1120, 46292), (1136, 45640), (1141, 45440), (1304, 39760), (1420, 36512), (1630, 31808), (1988, 26080), (2240, 23146), (2272, 22820), (2282, 22720), (2485, 20864), (2608, 19880), (2840, 18256), (3260, 15904), (3976, 13040), (4480, 11573), (4544, 11410), (4564, 11360), (4970, 10432), (5216, 9940), (5680, 9128), (5705, 9088), (6520, 7952)]