25808220100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{12967}}^1$

素因数の和:14525

約数の個数: 72

約数和(自身を含む): 60355873088

約数和(自身を除く): 34547652988

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1531, 3062, 6124, 7655, 12967, 15310, 19903, 25934, 30620, 38275, 39806, 51868, 64835, 76550, 79612, 99515, 129670, 153100, 168571, 199030, 259340, 324175, 337142, 398060, 497575, 648350, 674284, 842855, 995150, 1296700, 1685710, 1990300, 3371420, 4214275, 8428550, 16857100, 19852477, 39704954, 79409908, 99262385, 198524770, 258082201, 397049540, 496311925, 516164402, 992623850, 1032328804, 1290411005, 1985247700, 2580822010, 5161644020, 6452055025, 12904110050, 25808220100]

約数ペア:

[(1, 25808220100), (2, 12904110050), (4, 6452055025), (5, 5161644020), (10, 2580822010), (13, 1985247700), (20, 1290411005), (25, 1032328804), (26, 992623850), (50, 516164402), (52, 496311925), (65, 397049540), (100, 258082201), (130, 198524770), (260, 99262385), (325, 79409908), (650, 39704954), (1300, 19852477), (1531, 16857100), (3062, 8428550), (6124, 4214275), (7655, 3371420), (12967, 1990300), (15310, 1685710), (19903, 1296700), (25934, 995150), (30620, 842855), (38275, 674284), (39806, 648350), (51868, 497575), (64835, 398060), (76550, 337142), (79612, 324175), (99515, 259340), (129670, 199030), (153100, 168571)]