87013760

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 64

約数和(自身を含む): 210772800

約数和(自身を除く): 123759040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 1721, 2528, 3160, 3442, 5056, 6320, 6884, 8605, 10112, 12640, 13768, 17210, 25280, 27536, 34420, 50560, 55072, 68840, 110144, 135959, 137680, 220288, 271918, 275360, 543836, 550720, 679795, 1087672, 1101440, 1359590, 2175344, 2719180, 4350688, 5438360, 8701376, 10876720, 17402752, 21753440, 43506880, 87013760]

約数ペア:

[(1, 87013760), (2, 43506880), (4, 21753440), (5, 17402752), (8, 10876720), (10, 8701376), (16, 5438360), (20, 4350688), (32, 2719180), (40, 2175344), (64, 1359590), (79, 1101440), (80, 1087672), (128, 679795), (158, 550720), (160, 543836), (316, 275360), (320, 271918), (395, 220288), (632, 137680), (640, 135959), (790, 110144), (1264, 68840), (1580, 55072), (1721, 50560), (2528, 34420), (3160, 27536), (3442, 25280), (5056, 17210), (6320, 13768), (6884, 12640), (8605, 10112)]