259655680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{25357}}^1$

素因数の和:25384

約数の個数: 48

約数和(自身を含む): 623046060

約数和(自身を除く): 363390380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 25357, 50714, 101428, 126785, 202856, 253570, 405712, 507140, 811424, 1014280, 1622848, 2028560, 3245696, 4057120, 6491392, 8114240, 12982784, 16228480, 25965568, 32456960, 51931136, 64913920, 129827840, 259655680]

約数ペア:

[(1, 259655680), (2, 129827840), (4, 64913920), (5, 51931136), (8, 32456960), (10, 25965568), (16, 16228480), (20, 12982784), (32, 8114240), (40, 6491392), (64, 4057120), (80, 3245696), (128, 2028560), (160, 1622848), (256, 1014280), (320, 811424), (512, 507140), (640, 405712), (1024, 253570), (1280, 202856), (2048, 126785), (2560, 101428), (5120, 50714), (10240, 25357)]