25175220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8563}}^1$

素因数の和:8589

約数の個数: 72

約数和(自身を含む): 82008864

約数和(自身を除く): 56833644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8563, 17126, 25689, 34252, 42815, 51378, 59941, 85630, 102756, 119882, 128445, 171260, 179823, 239764, 256890, 299705, 359646, 419587, 513780, 599410, 719292, 839174, 899115, 1198820, 1258761, 1678348, 1798230, 2097935, 2517522, 3596460, 4195870, 5035044, 6293805, 8391740, 12587610, 25175220]

約数ペア:

[(1, 25175220), (2, 12587610), (3, 8391740), (4, 6293805), (5, 5035044), (6, 4195870), (7, 3596460), (10, 2517522), (12, 2097935), (14, 1798230), (15, 1678348), (20, 1258761), (21, 1198820), (28, 899115), (30, 839174), (35, 719292), (42, 599410), (49, 513780), (60, 419587), (70, 359646), (84, 299705), (98, 256890), (105, 239764), (140, 179823), (147, 171260), (196, 128445), (210, 119882), (245, 102756), (294, 85630), (420, 59941), (490, 51378), (588, 42815), (735, 34252), (980, 25689), (1470, 17126), (2940, 8563)]