1121019520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56503}}^1$

素因数の和:56553

約数の個数: 64

約数和(自身を含む): 2766435840

約数和(自身を除く): 1645416320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 56503, 113006, 226012, 282515, 452024, 565030, 904048, 1130060, 1751593, 1808096, 2260120, 3503186, 3616192, 4520240, 7006372, 7232384, 8757965, 9040480, 14012744, 17515930, 18080960, 28025488, 35031860, 36161920, 56050976, 70063720, 112101952, 140127440, 224203904, 280254880, 560509760, 1121019520]

約数ペア:

[(1, 1121019520), (2, 560509760), (4, 280254880), (5, 224203904), (8, 140127440), (10, 112101952), (16, 70063720), (20, 56050976), (31, 36161920), (32, 35031860), (40, 28025488), (62, 18080960), (64, 17515930), (80, 14012744), (124, 9040480), (128, 8757965), (155, 7232384), (160, 7006372), (248, 4520240), (310, 3616192), (320, 3503186), (496, 2260120), (620, 1808096), (640, 1751593), (992, 1130060), (1240, 904048), (1984, 565030), (2480, 452024), (3968, 282515), (4960, 226012), (9920, 113006), (19840, 56503)]