2021941120

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{11243}}^1$

素因数の和:11543

約数の個数: 64

約数和(自身を含む): 4851336240

約数和(自身を除く): 2829395120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 1124, 1405, 2248, 2810, 4496, 5620, 8992, 11240, 11243, 17984, 22480, 22486, 35968, 44960, 44972, 56215, 89920, 89944, 112430, 179840, 179888, 224860, 359776, 449720, 719552, 899440, 1439104, 1798880, 3159283, 3597760, 6318566, 7195520, 12637132, 15796415, 25274264, 31592830, 50548528, 63185660, 101097056, 126371320, 202194112, 252742640, 404388224, 505485280, 1010970560, 2021941120]

約数ペア:

[(1, 2021941120), (2, 1010970560), (4, 505485280), (5, 404388224), (8, 252742640), (10, 202194112), (16, 126371320), (20, 101097056), (32, 63185660), (40, 50548528), (64, 31592830), (80, 25274264), (128, 15796415), (160, 12637132), (281, 7195520), (320, 6318566), (562, 3597760), (640, 3159283), (1124, 1798880), (1405, 1439104), (2248, 899440), (2810, 719552), (4496, 449720), (5620, 359776), (8992, 224860), (11240, 179888), (11243, 179840), (17984, 112430), (22480, 89944), (22486, 89920), (35968, 56215), (44960, 44972)]