25565080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 35087720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 389, 424, 530, 620, 778, 1060, 1240, 1556, 1643, 1945, 2120, 3112, 3286, 3890, 6572, 7780, 8215, 12059, 13144, 15560, 16430, 20617, 24118, 32860, 41234, 48236, 60295, 65720, 82468, 96472, 103085, 120590, 164936, 206170, 241180, 412340, 482360, 639127, 824680, 1278254, 2556508, 3195635, 5113016, 6391270, 12782540, 25565080]

約数ペア:

[(1, 25565080), (2, 12782540), (4, 6391270), (5, 5113016), (8, 3195635), (10, 2556508), (20, 1278254), (31, 824680), (40, 639127), (53, 482360), (62, 412340), (106, 241180), (124, 206170), (155, 164936), (212, 120590), (248, 103085), (265, 96472), (310, 82468), (389, 65720), (424, 60295), (530, 48236), (620, 41234), (778, 32860), (1060, 24118), (1240, 20617), (1556, 16430), (1643, 15560), (1945, 13144), (2120, 12059), (3112, 8215), (3286, 7780), (3890, 6572)]