2560609840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{244333}}^1$

素因数の和:244477

約数の個数: 40

約数和(自身を含む): 5998888368

約数和(自身を除く): 3438278528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 244333, 488666, 977332, 1221665, 1954664, 2443330, 3909328, 4886660, 9773320, 19546640, 32007623, 64015246, 128030492, 160038115, 256060984, 320076230, 512121968, 640152460, 1280304920, 2560609840]

約数ペア:

[(1, 2560609840), (2, 1280304920), (4, 640152460), (5, 512121968), (8, 320076230), (10, 256060984), (16, 160038115), (20, 128030492), (40, 64015246), (80, 32007623), (131, 19546640), (262, 9773320), (524, 4886660), (655, 3909328), (1048, 2443330), (1310, 1954664), (2096, 1221665), (2620, 977332), (5240, 488666), (10480, 244333)]