13306240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1$

素因数の和:1259

約数の個数: 64

約数和(自身を含む): 33708960

約数和(自身を除く): 20402720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1223, 1360, 2176, 2446, 2720, 4892, 5440, 6115, 9784, 10880, 12230, 19568, 20791, 24460, 39136, 41582, 48920, 78272, 83164, 97840, 103955, 156544, 166328, 195680, 207910, 332656, 391360, 415820, 665312, 782720, 831640, 1330624, 1663280, 2661248, 3326560, 6653120, 13306240]

約数ペア:

[(1, 13306240), (2, 6653120), (4, 3326560), (5, 2661248), (8, 1663280), (10, 1330624), (16, 831640), (17, 782720), (20, 665312), (32, 415820), (34, 391360), (40, 332656), (64, 207910), (68, 195680), (80, 166328), (85, 156544), (128, 103955), (136, 97840), (160, 83164), (170, 78272), (272, 48920), (320, 41582), (340, 39136), (544, 24460), (640, 20791), (680, 19568), (1088, 12230), (1223, 10880), (1360, 9784), (2176, 6115), (2446, 5440), (2720, 4892)]