8049407990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1451}}^1$

素因数の和:1917

約数の個数: 64

約数和(自身を含む): 15777780480

約数和(自身を除く): 7728372490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 307, 614, 695, 1390, 1451, 1535, 1807, 2902, 3070, 3614, 3991, 7255, 7982, 9035, 14510, 18070, 18863, 19955, 37726, 39910, 42673, 85346, 94315, 188630, 201689, 213365, 403378, 426730, 445457, 554749, 890914, 1008445, 1109498, 2016890, 2227285, 2621957, 2773745, 4454570, 5243914, 5547490, 5790941, 11581882, 13109785, 26219570, 28954705, 57909410, 61918523, 123837046, 309592615, 619185230, 804940799, 1609881598, 4024703995, 8049407990]

約数ペア:

[(1, 8049407990), (2, 4024703995), (5, 1609881598), (10, 804940799), (13, 619185230), (26, 309592615), (65, 123837046), (130, 61918523), (139, 57909410), (278, 28954705), (307, 26219570), (614, 13109785), (695, 11581882), (1390, 5790941), (1451, 5547490), (1535, 5243914), (1807, 4454570), (2902, 2773745), (3070, 2621957), (3614, 2227285), (3991, 2016890), (7255, 1109498), (7982, 1008445), (9035, 890914), (14510, 554749), (18070, 445457), (18863, 426730), (19955, 403378), (37726, 213365), (39910, 201689), (42673, 188630), (85346, 94315)]