2021344520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{3011}}^1$

素因数の和:4326

約数の個数: 64

約数和(自身を含む): 4903295040

約数和(自身を除く): 2881950520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1291, 2582, 3011, 5164, 6022, 6455, 10328, 12044, 12910, 15055, 16783, 24088, 25820, 30110, 33566, 39143, 51640, 60220, 67132, 78286, 83915, 120440, 134264, 156572, 167830, 195715, 313144, 335660, 391430, 671320, 782860, 1565720, 3887201, 7774402, 15548804, 19436005, 31097608, 38872010, 50533613, 77744020, 101067226, 155488040, 202134452, 252668065, 404268904, 505336130, 1010672260, 2021344520]

約数ペア:

[(1, 2021344520), (2, 1010672260), (4, 505336130), (5, 404268904), (8, 252668065), (10, 202134452), (13, 155488040), (20, 101067226), (26, 77744020), (40, 50533613), (52, 38872010), (65, 31097608), (104, 19436005), (130, 15548804), (260, 7774402), (520, 3887201), (1291, 1565720), (2582, 782860), (3011, 671320), (5164, 391430), (6022, 335660), (6455, 313144), (10328, 195715), (12044, 167830), (12910, 156572), (15055, 134264), (16783, 120440), (24088, 83915), (25820, 78286), (30110, 67132), (33566, 60220), (39143, 51640)]