28647040

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2669

約数の個数: 64

約数和(自身を含む): 72540360

約数和(自身を除く): 43893320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2633, 2720, 5266, 5440, 10532, 10880, 13165, 21064, 26330, 42128, 44761, 52660, 84256, 89522, 105320, 168512, 179044, 210640, 223805, 337024, 358088, 421280, 447610, 716176, 842560, 895220, 1432352, 1685120, 1790440, 2864704, 3580880, 5729408, 7161760, 14323520, 28647040]

約数ペア:

[(1, 28647040), (2, 14323520), (4, 7161760), (5, 5729408), (8, 3580880), (10, 2864704), (16, 1790440), (17, 1685120), (20, 1432352), (32, 895220), (34, 842560), (40, 716176), (64, 447610), (68, 421280), (80, 358088), (85, 337024), (128, 223805), (136, 210640), (160, 179044), (170, 168512), (272, 105320), (320, 89522), (340, 84256), (544, 52660), (640, 44761), (680, 42128), (1088, 26330), (1360, 21064), (2176, 13165), (2633, 10880), (2720, 10532), (5266, 5440)]