18802122625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1297}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 27622603008

約数和(自身を除く): 8820480383

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 811, 1297, 1375, 1625, 3575, 4055, 6485, 8921, 10543, 14267, 16861, 17875, 20275, 32425, 44605, 52715, 71335, 84305, 101375, 115973, 162125, 185471, 223025, 263575, 356675, 421525, 579865, 927355, 1051867, 1115125, 1317875, 1783375, 2107625, 2899325, 4636775, 5259335, 11570537, 13674271, 14496625, 23183875, 26296675, 57852685, 68371355, 131483375, 150416981, 289263425, 341856775, 752084905, 1446317125, 1709283875, 3760424525, 18802122625]

約数ペア:

[(1, 18802122625), (5, 3760424525), (11, 1709283875), (13, 1446317125), (25, 752084905), (55, 341856775), (65, 289263425), (125, 150416981), (143, 131483375), (275, 68371355), (325, 57852685), (715, 26296675), (811, 23183875), (1297, 14496625), (1375, 13674271), (1625, 11570537), (3575, 5259335), (4055, 4636775), (6485, 2899325), (8921, 2107625), (10543, 1783375), (14267, 1317875), (16861, 1115125), (17875, 1051867), (20275, 927355), (32425, 579865), (44605, 421525), (52715, 356675), (71335, 263575), (84305, 223025), (101375, 185471), (115973, 162125)]