616960

素因数分解:

$2^9\times 5^1\times {\mathrm{241}}^1$

素因数の和:264

約数の個数: 40

約数和(自身を含む): 1485396

約数和(自身を除く): 868436

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 256, 320, 482, 512, 640, 964, 1205, 1280, 1928, 2410, 2560, 3856, 4820, 7712, 9640, 15424, 19280, 30848, 38560, 61696, 77120, 123392, 154240, 308480, 616960]

約数ペア:

[(1, 616960), (2, 308480), (4, 154240), (5, 123392), (8, 77120), (10, 61696), (16, 38560), (20, 30848), (32, 19280), (40, 15424), (64, 9640), (80, 7712), (128, 4820), (160, 3856), (241, 2560), (256, 2410), (320, 1928), (482, 1280), (512, 1205), (640, 964)]