25851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 77999040

約数和(自身を除く): 52147320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1021, 1055, 1266, 1688, 2042, 2110, 2532, 3063, 3165, 4084, 4220, 5064, 5105, 6126, 6330, 8168, 8440, 10210, 12252, 12660, 15315, 20420, 24504, 25320, 30630, 40840, 61260, 122520, 215431, 430862, 646293, 861724, 1077155, 1292586, 1723448, 2154310, 2585172, 3231465, 4308620, 5170344, 6462930, 8617240, 12925860, 25851720]

約数ペア:

[(1, 25851720), (2, 12925860), (3, 8617240), (4, 6462930), (5, 5170344), (6, 4308620), (8, 3231465), (10, 2585172), (12, 2154310), (15, 1723448), (20, 1292586), (24, 1077155), (30, 861724), (40, 646293), (60, 430862), (120, 215431), (211, 122520), (422, 61260), (633, 40840), (844, 30630), (1021, 25320), (1055, 24504), (1266, 20420), (1688, 15315), (2042, 12660), (2110, 12252), (2532, 10210), (3063, 8440), (3165, 8168), (4084, 6330), (4220, 6126), (5064, 5105)]