521969320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{827}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 1216166400

約数和(自身を除く): 694197080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 509, 620, 827, 1018, 1240, 1654, 2036, 2545, 3308, 4072, 4135, 5090, 6616, 8270, 10180, 15779, 16540, 20360, 25637, 31558, 33080, 51274, 63116, 78895, 102548, 126232, 128185, 157790, 205096, 256370, 315580, 420943, 512740, 631160, 841886, 1025480, 1683772, 2104715, 3367544, 4209430, 8418860, 13049233, 16837720, 26098466, 52196932, 65246165, 104393864, 130492330, 260984660, 521969320]

約数ペア:

[(1, 521969320), (2, 260984660), (4, 130492330), (5, 104393864), (8, 65246165), (10, 52196932), (20, 26098466), (31, 16837720), (40, 13049233), (62, 8418860), (124, 4209430), (155, 3367544), (248, 2104715), (310, 1683772), (509, 1025480), (620, 841886), (827, 631160), (1018, 512740), (1240, 420943), (1654, 315580), (2036, 256370), (2545, 205096), (3308, 157790), (4072, 128185), (4135, 126232), (5090, 102548), (6616, 78895), (8270, 63116), (10180, 51274), (15779, 33080), (16540, 31558), (20360, 25637)]