2004605440

素因数分解:

$2^9\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1013}}^1$

素因数の和:1809

約数の個数: 80

約数和(自身を含む): 4817323368

約数和(自身を除く): 2812717928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 773, 1013, 1280, 1546, 2026, 2560, 3092, 3865, 4052, 5065, 6184, 7730, 8104, 10130, 12368, 15460, 16208, 20260, 24736, 30920, 32416, 40520, 49472, 61840, 64832, 81040, 98944, 123680, 129664, 162080, 197888, 247360, 259328, 324160, 395776, 494720, 518656, 648320, 783049, 989440, 1296640, 1566098, 1978880, 2593280, 3132196, 3915245, 6264392, 7830490, 12528784, 15660980, 25057568, 31321960, 50115136, 62643920, 100230272, 125287840, 200460544, 250575680, 400921088, 501151360, 1002302720, 2004605440]

約数ペア:

[(1, 2004605440), (2, 1002302720), (4, 501151360), (5, 400921088), (8, 250575680), (10, 200460544), (16, 125287840), (20, 100230272), (32, 62643920), (40, 50115136), (64, 31321960), (80, 25057568), (128, 15660980), (160, 12528784), (256, 7830490), (320, 6264392), (512, 3915245), (640, 3132196), (773, 2593280), (1013, 1978880), (1280, 1566098), (1546, 1296640), (2026, 989440), (2560, 783049), (3092, 648320), (3865, 518656), (4052, 494720), (5065, 395776), (6184, 324160), (7730, 259328), (8104, 247360), (10130, 197888), (12368, 162080), (15460, 129664), (16208, 123680), (20260, 98944), (24736, 81040), (30920, 64832), (32416, 61840), (40520, 49472)]