20638452200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{90599}}^1$

素因数の和:90699

約数の個数: 96

約数和(自身を含む): 51565896000

約数和(自身を除く): 30927443800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 67, 68, 85, 100, 134, 136, 170, 200, 268, 335, 340, 425, 536, 670, 680, 850, 1139, 1340, 1675, 1700, 2278, 2680, 3350, 3400, 4556, 5695, 6700, 9112, 11390, 13400, 22780, 28475, 45560, 56950, 90599, 113900, 181198, 227800, 362396, 452995, 724792, 905990, 1540183, 1811980, 2264975, 3080366, 3623960, 4529950, 6070133, 6160732, 7700915, 9059900, 12140266, 12321464, 15401830, 18119800, 24280532, 30350665, 30803660, 38504575, 48561064, 60701330, 61607320, 77009150, 103192261, 121402660, 151753325, 154018300, 206384522, 242805320, 303506650, 308036600, 412769044, 515961305, 607013300, 825538088, 1031922610, 1214026600, 2063845220, 2579806525, 4127690440, 5159613050, 10319226100, 20638452200]

約数ペア:

[(1, 20638452200), (2, 10319226100), (4, 5159613050), (5, 4127690440), (8, 2579806525), (10, 2063845220), (17, 1214026600), (20, 1031922610), (25, 825538088), (34, 607013300), (40, 515961305), (50, 412769044), (67, 308036600), (68, 303506650), (85, 242805320), (100, 206384522), (134, 154018300), (136, 151753325), (170, 121402660), (200, 103192261), (268, 77009150), (335, 61607320), (340, 60701330), (425, 48561064), (536, 38504575), (670, 30803660), (680, 30350665), (850, 24280532), (1139, 18119800), (1340, 15401830), (1675, 12321464), (1700, 12140266), (2278, 9059900), (2680, 7700915), (3350, 6160732), (3400, 6070133), (4556, 4529950), (5695, 3623960), (6700, 3080366), (9112, 2264975), (11390, 1811980), (13400, 1540183), (22780, 905990), (28475, 724792), (45560, 452995), (56950, 362396), (90599, 227800), (113900, 181198)]