2055920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 4940160

約数和(自身を除く): 2884240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 829, 1240, 1658, 2480, 3316, 4145, 6632, 8290, 13264, 16580, 25699, 33160, 51398, 66320, 102796, 128495, 205592, 256990, 411184, 513980, 1027960, 2055920]

約数ペア:

[(1, 2055920), (2, 1027960), (4, 513980), (5, 411184), (8, 256990), (10, 205592), (16, 128495), (20, 102796), (31, 66320), (40, 51398), (62, 33160), (80, 25699), (124, 16580), (155, 13264), (248, 8290), (310, 6632), (496, 4145), (620, 3316), (829, 2480), (1240, 1658)]