87105280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 220972752

約数和(自身を除く): 133867472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4003, 4352, 5440, 8006, 10880, 16012, 20015, 21760, 32024, 40030, 64048, 68051, 80060, 128096, 136102, 160120, 256192, 272204, 320240, 340255, 512384, 544408, 640480, 680510, 1024768, 1088816, 1280960, 1361020, 2177632, 2561920, 2722040, 4355264, 5123840, 5444080, 8710528, 10888160, 17421056, 21776320, 43552640, 87105280]

約数ペア:

[(1, 87105280), (2, 43552640), (4, 21776320), (5, 17421056), (8, 10888160), (10, 8710528), (16, 5444080), (17, 5123840), (20, 4355264), (32, 2722040), (34, 2561920), (40, 2177632), (64, 1361020), (68, 1280960), (80, 1088816), (85, 1024768), (128, 680510), (136, 640480), (160, 544408), (170, 512384), (256, 340255), (272, 320240), (320, 272204), (340, 256192), (544, 160120), (640, 136102), (680, 128096), (1088, 80060), (1280, 68051), (1360, 64048), (2176, 40030), (2720, 32024), (4003, 21760), (4352, 20015), (5440, 16012), (8006, 10880)]