51197380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2939}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 117552960

約数和(自身を除く): 66355580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 2939, 3484, 4355, 5878, 8710, 11756, 14695, 17420, 29390, 38207, 58780, 76414, 152828, 191035, 196913, 382070, 393826, 764140, 787652, 984565, 1969130, 2559869, 3938260, 5119738, 10239476, 12799345, 25598690, 51197380]

約数ペア:

[(1, 51197380), (2, 25598690), (4, 12799345), (5, 10239476), (10, 5119738), (13, 3938260), (20, 2559869), (26, 1969130), (52, 984565), (65, 787652), (67, 764140), (130, 393826), (134, 382070), (260, 196913), (268, 191035), (335, 152828), (670, 76414), (871, 58780), (1340, 38207), (1742, 29390), (2939, 17420), (3484, 14695), (4355, 11756), (5878, 8710)]