19840701440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{553591}}^1$

素因数の和:553623

約数の個数: 88

約数和(自身を含む): 54393735552

約数和(自身を除く): 34553034112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 553591, 1107182, 2214364, 2767955, 3875137, 4428728, 5535910, 7750274, 8857456, 11071820, 15500548, 17714912, 19375685, 22143640, 31001096, 35429824, 38751370, 44287280, 62002192, 70859648, 77502740, 88574560, 124004384, 141719296, 155005480, 177149120, 248008768, 283438592, 310010960, 354298240, 496017536, 566877184, 620021920, 708596480, 992035072, 1240043840, 1417192960, 1984070144, 2480087680, 2834385920, 3968140288, 4960175360, 9920350720, 19840701440]

約数ペア:

[(1, 19840701440), (2, 9920350720), (4, 4960175360), (5, 3968140288), (7, 2834385920), (8, 2480087680), (10, 1984070144), (14, 1417192960), (16, 1240043840), (20, 992035072), (28, 708596480), (32, 620021920), (35, 566877184), (40, 496017536), (56, 354298240), (64, 310010960), (70, 283438592), (80, 248008768), (112, 177149120), (128, 155005480), (140, 141719296), (160, 124004384), (224, 88574560), (256, 77502740), (280, 70859648), (320, 62002192), (448, 44287280), (512, 38751370), (560, 35429824), (640, 31001096), (896, 22143640), (1024, 19375685), (1120, 17714912), (1280, 15500548), (1792, 11071820), (2240, 8857456), (2560, 7750274), (3584, 5535910), (4480, 4428728), (5120, 3875137), (7168, 2767955), (8960, 2214364), (17920, 1107182), (35840, 553591)]