17630720

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 25679008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 97, 128, 142, 160, 194, 256, 284, 320, 355, 388, 485, 512, 568, 640, 710, 776, 970, 1136, 1280, 1420, 1552, 1940, 2272, 2560, 2840, 3104, 3880, 4544, 5680, 6208, 6887, 7760, 9088, 11360, 12416, 13774, 15520, 18176, 22720, 24832, 27548, 31040, 34435, 36352, 45440, 49664, 55096, 62080, 68870, 90880, 110192, 124160, 137740, 181760, 220384, 248320, 275480, 440768, 550960, 881536, 1101920, 1763072, 2203840, 3526144, 4407680, 8815360, 17630720]

約数ペア:

[(1, 17630720), (2, 8815360), (4, 4407680), (5, 3526144), (8, 2203840), (10, 1763072), (16, 1101920), (20, 881536), (32, 550960), (40, 440768), (64, 275480), (71, 248320), (80, 220384), (97, 181760), (128, 137740), (142, 124160), (160, 110192), (194, 90880), (256, 68870), (284, 62080), (320, 55096), (355, 49664), (388, 45440), (485, 36352), (512, 34435), (568, 31040), (640, 27548), (710, 24832), (776, 22720), (970, 18176), (1136, 15520), (1280, 13774), (1420, 12416), (1552, 11360), (1940, 9088), (2272, 7760), (2560, 6887), (2840, 6208), (3104, 5680), (3880, 4544)]