2003840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 4993920

約数和(自身を除く): 2990080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 310, 320, 404, 496, 505, 620, 640, 808, 992, 1010, 1240, 1616, 1984, 2020, 2480, 3131, 3232, 3968, 4040, 4960, 6262, 6464, 8080, 9920, 12524, 12928, 15655, 16160, 19840, 25048, 31310, 32320, 50096, 62620, 64640, 100192, 125240, 200384, 250480, 400768, 500960, 1001920, 2003840]

約数ペア:

[(1, 2003840), (2, 1001920), (4, 500960), (5, 400768), (8, 250480), (10, 200384), (16, 125240), (20, 100192), (31, 64640), (32, 62620), (40, 50096), (62, 32320), (64, 31310), (80, 25048), (101, 19840), (124, 16160), (128, 15655), (155, 12928), (160, 12524), (202, 9920), (248, 8080), (310, 6464), (320, 6262), (404, 4960), (496, 4040), (505, 3968), (620, 3232), (640, 3131), (808, 2480), (992, 2020), (1010, 1984), (1240, 1616)]