2016200440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{773}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 4579169760

約数和(自身を除く): 2562969320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 331, 394, 662, 773, 788, 985, 1324, 1546, 1576, 1655, 1970, 2648, 3092, 3310, 3865, 3940, 6184, 6620, 7730, 7880, 13240, 15460, 30920, 65207, 130414, 152281, 255863, 260828, 304562, 326035, 511726, 521656, 609124, 652070, 761405, 1023452, 1218248, 1279315, 1304140, 1522810, 2046904, 2558630, 2608280, 3045620, 5117260, 6091240, 10234520, 50405011, 100810022, 201620044, 252025055, 403240088, 504050110, 1008100220, 2016200440]

約数ペア:

[(1, 2016200440), (2, 1008100220), (4, 504050110), (5, 403240088), (8, 252025055), (10, 201620044), (20, 100810022), (40, 50405011), (197, 10234520), (331, 6091240), (394, 5117260), (662, 3045620), (773, 2608280), (788, 2558630), (985, 2046904), (1324, 1522810), (1546, 1304140), (1576, 1279315), (1655, 1218248), (1970, 1023452), (2648, 761405), (3092, 652070), (3310, 609124), (3865, 521656), (3940, 511726), (6184, 326035), (6620, 304562), (7730, 260828), (7880, 255863), (13240, 152281), (15460, 130414), (30920, 65207)]