65530000

素因数分解:

$2^4\times 5^4\times {\mathrm{6553}}^1$

素因数の和:6581

約数の個数: 50

約数和(自身を含む): 158678894

約数和(自身を除く): 93148894

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6553, 10000, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 163825, 262120, 327650, 524240, 655300, 819125, 1310600, 1638250, 2621200, 3276500, 4095625, 6553000, 8191250, 13106000, 16382500, 32765000, 65530000]

約数ペア:

[(1, 65530000), (2, 32765000), (4, 16382500), (5, 13106000), (8, 8191250), (10, 6553000), (16, 4095625), (20, 3276500), (25, 2621200), (40, 1638250), (50, 1310600), (80, 819125), (100, 655300), (125, 524240), (200, 327650), (250, 262120), (400, 163825), (500, 131060), (625, 104848), (1000, 65530), (1250, 52424), (2000, 32765), (2500, 26212), (5000, 13106), (6553, 10000)]