25666680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16453}}^1$

素因数の和:16480

約数の個数: 64

約数和(自身を含む): 82928160

約数和(自身を除く): 57261480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16453, 32906, 49359, 65812, 82265, 98718, 131624, 164530, 197436, 213889, 246795, 329060, 394872, 427778, 493590, 641667, 658120, 855556, 987180, 1069445, 1283334, 1711112, 1974360, 2138890, 2566668, 3208335, 4277780, 5133336, 6416670, 8555560, 12833340, 25666680]

約数ペア:

[(1, 25666680), (2, 12833340), (3, 8555560), (4, 6416670), (5, 5133336), (6, 4277780), (8, 3208335), (10, 2566668), (12, 2138890), (13, 1974360), (15, 1711112), (20, 1283334), (24, 1069445), (26, 987180), (30, 855556), (39, 658120), (40, 641667), (52, 493590), (60, 427778), (65, 394872), (78, 329060), (104, 246795), (120, 213889), (130, 197436), (156, 164530), (195, 131624), (260, 98718), (312, 82265), (390, 65812), (520, 49359), (780, 32906), (1560, 16453)]