25682920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 61819200

約数和(自身を除く): 36136280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 211, 340, 358, 422, 680, 716, 844, 895, 1055, 1432, 1688, 1790, 2110, 3043, 3580, 3587, 4220, 6086, 7160, 7174, 8440, 12172, 14348, 15215, 17935, 24344, 28696, 30430, 35870, 37769, 60860, 71740, 75538, 121720, 143480, 151076, 188845, 302152, 377690, 642073, 755380, 1284146, 1510760, 2568292, 3210365, 5136584, 6420730, 12841460, 25682920]

約数ペア:

[(1, 25682920), (2, 12841460), (4, 6420730), (5, 5136584), (8, 3210365), (10, 2568292), (17, 1510760), (20, 1284146), (34, 755380), (40, 642073), (68, 377690), (85, 302152), (136, 188845), (170, 151076), (179, 143480), (211, 121720), (340, 75538), (358, 71740), (422, 60860), (680, 37769), (716, 35870), (844, 30430), (895, 28696), (1055, 24344), (1432, 17935), (1688, 15215), (1790, 14348), (2110, 12172), (3043, 8440), (3580, 7174), (3587, 7160), (4220, 6086)]