13086440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 31579200

約数和(自身を除く): 18492760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 257, 268, 335, 380, 514, 536, 670, 760, 1028, 1273, 1285, 1340, 2056, 2546, 2570, 2680, 4883, 5092, 5140, 6365, 9766, 10184, 10280, 12730, 17219, 19532, 24415, 25460, 34438, 39064, 48830, 50920, 68876, 86095, 97660, 137752, 172190, 195320, 327161, 344380, 654322, 688760, 1308644, 1635805, 2617288, 3271610, 6543220, 13086440]

約数ペア:

[(1, 13086440), (2, 6543220), (4, 3271610), (5, 2617288), (8, 1635805), (10, 1308644), (19, 688760), (20, 654322), (38, 344380), (40, 327161), (67, 195320), (76, 172190), (95, 137752), (134, 97660), (152, 86095), (190, 68876), (257, 50920), (268, 48830), (335, 39064), (380, 34438), (514, 25460), (536, 24415), (670, 19532), (760, 17219), (1028, 12730), (1273, 10280), (1285, 10184), (1340, 9766), (2056, 6365), (2546, 5140), (2570, 5092), (2680, 4883)]