9727640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1439}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 23716800

約数和(自身を除く): 13989160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1439, 1690, 2878, 3380, 5756, 6760, 7195, 11512, 14390, 18707, 28780, 37414, 57560, 74828, 93535, 149656, 187070, 243191, 374140, 486382, 748280, 972764, 1215955, 1945528, 2431910, 4863820, 9727640]

約数ペア:

[(1, 9727640), (2, 4863820), (4, 2431910), (5, 1945528), (8, 1215955), (10, 972764), (13, 748280), (20, 486382), (26, 374140), (40, 243191), (52, 187070), (65, 149656), (104, 93535), (130, 74828), (169, 57560), (260, 37414), (338, 28780), (520, 18707), (676, 14390), (845, 11512), (1352, 7195), (1439, 6760), (1690, 5756), (2878, 3380)]