89891840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 88

約数和(自身を含む): 219061752

約数和(自身を除く): 129169912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 181, 194, 256, 320, 362, 388, 485, 512, 640, 724, 776, 905, 970, 1024, 1280, 1448, 1552, 1810, 1940, 2560, 2896, 3104, 3620, 3880, 5120, 5792, 6208, 7240, 7760, 11584, 12416, 14480, 15520, 17557, 23168, 24832, 28960, 31040, 35114, 46336, 49664, 57920, 62080, 70228, 87785, 92672, 99328, 115840, 124160, 140456, 175570, 185344, 231680, 248320, 280912, 351140, 463360, 496640, 561824, 702280, 926720, 1123648, 1404560, 2247296, 2809120, 4494592, 5618240, 8989184, 11236480, 17978368, 22472960, 44945920, 89891840]

約数ペア:

[(1, 89891840), (2, 44945920), (4, 22472960), (5, 17978368), (8, 11236480), (10, 8989184), (16, 5618240), (20, 4494592), (32, 2809120), (40, 2247296), (64, 1404560), (80, 1123648), (97, 926720), (128, 702280), (160, 561824), (181, 496640), (194, 463360), (256, 351140), (320, 280912), (362, 248320), (388, 231680), (485, 185344), (512, 175570), (640, 140456), (724, 124160), (776, 115840), (905, 99328), (970, 92672), (1024, 87785), (1280, 70228), (1448, 62080), (1552, 57920), (1810, 49664), (1940, 46336), (2560, 35114), (2896, 31040), (3104, 28960), (3620, 24832), (3880, 23168), (5120, 17557), (5792, 15520), (6208, 14480), (7240, 12416), (7760, 11584)]