25746760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 63403200

約数和(自身を除く): 37656440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 739, 871, 1340, 1478, 1742, 2680, 2956, 3484, 3695, 4355, 5912, 6968, 7390, 8710, 9607, 14780, 17420, 19214, 29560, 34840, 38428, 48035, 49513, 76856, 96070, 99026, 192140, 198052, 247565, 384280, 396104, 495130, 643669, 990260, 1287338, 1980520, 2574676, 3218345, 5149352, 6436690, 12873380, 25746760]

約数ペア:

[(1, 25746760), (2, 12873380), (4, 6436690), (5, 5149352), (8, 3218345), (10, 2574676), (13, 1980520), (20, 1287338), (26, 990260), (40, 643669), (52, 495130), (65, 396104), (67, 384280), (104, 247565), (130, 198052), (134, 192140), (260, 99026), (268, 96070), (335, 76856), (520, 49513), (536, 48035), (670, 38428), (739, 34840), (871, 29560), (1340, 19214), (1478, 17420), (1742, 14780), (2680, 9607), (2956, 8710), (3484, 7390), (3695, 6968), (4355, 5912)]