18254616880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1\times {\mathrm{4651}}^1$

素因数の和:5426

約数の個数: 80

約数和(自身を含む): 43111312128

約数和(自身を除く): 24856695248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 691, 710, 1136, 1382, 1420, 2764, 2840, 3455, 4651, 5528, 5680, 6910, 9302, 11056, 13820, 18604, 23255, 27640, 37208, 46510, 49061, 55280, 74416, 93020, 98122, 186040, 196244, 245305, 330221, 372080, 392488, 490610, 660442, 784976, 981220, 1320884, 1651105, 1962440, 2641768, 3213841, 3302210, 3924880, 5283536, 6427682, 6604420, 12855364, 13208840, 16069205, 25710728, 26417680, 32138410, 51421456, 64276820, 128553640, 228182711, 257107280, 456365422, 912730844, 1140913555, 1825461688, 2281827110, 3650923376, 4563654220, 9127308440, 18254616880]

約数ペア:

[(1, 18254616880), (2, 9127308440), (4, 4563654220), (5, 3650923376), (8, 2281827110), (10, 1825461688), (16, 1140913555), (20, 912730844), (40, 456365422), (71, 257107280), (80, 228182711), (142, 128553640), (284, 64276820), (355, 51421456), (568, 32138410), (691, 26417680), (710, 25710728), (1136, 16069205), (1382, 13208840), (1420, 12855364), (2764, 6604420), (2840, 6427682), (3455, 5283536), (4651, 3924880), (5528, 3302210), (5680, 3213841), (6910, 2641768), (9302, 1962440), (11056, 1651105), (13820, 1320884), (18604, 981220), (23255, 784976), (27640, 660442), (37208, 490610), (46510, 392488), (49061, 372080), (55280, 330221), (74416, 245305), (93020, 196244), (98122, 186040)]