25415780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1459}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 58376640

約数和(自身を除く): 32960860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1459, 1742, 2918, 3484, 4355, 5836, 7295, 8710, 14590, 17420, 18967, 29180, 37934, 75868, 94835, 97753, 189670, 195506, 379340, 391012, 488765, 977530, 1270789, 1955060, 2541578, 5083156, 6353945, 12707890, 25415780]

約数ペア:

[(1, 25415780), (2, 12707890), (4, 6353945), (5, 5083156), (10, 2541578), (13, 1955060), (20, 1270789), (26, 977530), (52, 488765), (65, 391012), (67, 379340), (130, 195506), (134, 189670), (260, 97753), (268, 94835), (335, 75868), (670, 37934), (871, 29180), (1340, 18967), (1459, 17420), (1742, 14590), (2918, 8710), (3484, 7295), (4355, 5836)]