26226880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 56

約数和(自身を含む): 64008000

約数和(自身を除く): 37781120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 1999, 2624, 3280, 3998, 6560, 7996, 9995, 13120, 15992, 19990, 31984, 39980, 63968, 79960, 81959, 127936, 159920, 163918, 319840, 327836, 409795, 639680, 655672, 819590, 1311344, 1639180, 2622688, 3278360, 5245376, 6556720, 13113440, 26226880]

約数ペア:

[(1, 26226880), (2, 13113440), (4, 6556720), (5, 5245376), (8, 3278360), (10, 2622688), (16, 1639180), (20, 1311344), (32, 819590), (40, 655672), (41, 639680), (64, 409795), (80, 327836), (82, 319840), (160, 163918), (164, 159920), (205, 127936), (320, 81959), (328, 79960), (410, 63968), (656, 39980), (820, 31984), (1312, 19990), (1640, 15992), (1999, 13120), (2624, 9995), (3280, 7996), (3998, 6560)]