25072180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 38794700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 106, 109, 124, 140, 155, 212, 217, 218, 265, 310, 371, 434, 436, 530, 545, 620, 742, 763, 868, 1060, 1085, 1090, 1484, 1526, 1643, 1855, 2170, 2180, 3052, 3286, 3379, 3710, 3815, 4340, 5777, 6572, 6758, 7420, 7630, 8215, 11501, 11554, 13516, 15260, 16430, 16895, 23002, 23108, 23653, 28885, 32860, 33790, 40439, 46004, 47306, 57505, 57770, 67580, 80878, 94612, 115010, 115540, 118265, 161756, 179087, 202195, 230020, 236530, 358174, 404390, 473060, 716348, 808780, 895435, 1253609, 1790870, 2507218, 3581740, 5014436, 6268045, 12536090, 25072180]

約数ペア:

[(1, 25072180), (2, 12536090), (4, 6268045), (5, 5014436), (7, 3581740), (10, 2507218), (14, 1790870), (20, 1253609), (28, 895435), (31, 808780), (35, 716348), (53, 473060), (62, 404390), (70, 358174), (106, 236530), (109, 230020), (124, 202195), (140, 179087), (155, 161756), (212, 118265), (217, 115540), (218, 115010), (265, 94612), (310, 80878), (371, 67580), (434, 57770), (436, 57505), (530, 47306), (545, 46004), (620, 40439), (742, 33790), (763, 32860), (868, 28885), (1060, 23653), (1085, 23108), (1090, 23002), (1484, 16895), (1526, 16430), (1643, 15260), (1855, 13516), (2170, 11554), (2180, 11501), (3052, 8215), (3286, 7630), (3379, 7420), (3710, 6758), (3815, 6572), (4340, 5777)]