25580450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 56678292

約数和(自身を除く): 31097842

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 53, 70, 98, 106, 175, 197, 245, 265, 350, 371, 394, 490, 530, 742, 985, 1225, 1325, 1379, 1855, 1970, 2450, 2597, 2650, 2758, 3710, 4925, 5194, 6895, 9275, 9653, 9850, 10441, 12985, 13790, 18550, 19306, 20882, 25970, 34475, 48265, 52205, 64925, 68950, 73087, 96530, 104410, 129850, 146174, 241325, 261025, 365435, 482650, 511609, 522050, 730870, 1023218, 1827175, 2558045, 3654350, 5116090, 12790225, 25580450]

約数ペア:

[(1, 25580450), (2, 12790225), (5, 5116090), (7, 3654350), (10, 2558045), (14, 1827175), (25, 1023218), (35, 730870), (49, 522050), (50, 511609), (53, 482650), (70, 365435), (98, 261025), (106, 241325), (175, 146174), (197, 129850), (245, 104410), (265, 96530), (350, 73087), (371, 68950), (394, 64925), (490, 52205), (530, 48265), (742, 34475), (985, 25970), (1225, 20882), (1325, 19306), (1379, 18550), (1855, 13790), (1970, 12985), (2450, 10441), (2597, 9850), (2650, 9653), (2758, 9275), (3710, 6895), (4925, 5194)]