78882400

素因数分解:

$2^5\times 5^2\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:824

約数の個数: 72

約数和(自身を含む): 194143824

約数和(自身を除く): 115261424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 151, 160, 200, 302, 400, 604, 653, 755, 800, 1208, 1306, 1510, 2416, 2612, 3020, 3265, 3775, 4832, 5224, 6040, 6530, 7550, 10448, 12080, 13060, 15100, 16325, 20896, 24160, 26120, 30200, 32650, 52240, 60400, 65300, 98603, 104480, 120800, 130600, 197206, 261200, 394412, 493015, 522400, 788824, 986030, 1577648, 1972060, 2465075, 3155296, 3944120, 4930150, 7888240, 9860300, 15776480, 19720600, 39441200, 78882400]

約数ペア:

[(1, 78882400), (2, 39441200), (4, 19720600), (5, 15776480), (8, 9860300), (10, 7888240), (16, 4930150), (20, 3944120), (25, 3155296), (32, 2465075), (40, 1972060), (50, 1577648), (80, 986030), (100, 788824), (151, 522400), (160, 493015), (200, 394412), (302, 261200), (400, 197206), (604, 130600), (653, 120800), (755, 104480), (800, 98603), (1208, 65300), (1306, 60400), (1510, 52240), (2416, 32650), (2612, 30200), (3020, 26120), (3265, 24160), (3775, 20896), (4832, 16325), (5224, 15100), (6040, 13060), (6530, 12080), (7550, 10448)]