1651694080

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8167}}^1$

素因数の和:8269

約数の個数: 80

約数和(自身を含む): 4010814720

約数和(自身を除く): 2359120640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1264, 1280, 1580, 2528, 2560, 3160, 5056, 6320, 8167, 10112, 12640, 16334, 20224, 25280, 32668, 40448, 40835, 50560, 65336, 81670, 101120, 130672, 163340, 202240, 261344, 326680, 522688, 645193, 653360, 1045376, 1290386, 1306720, 2090752, 2580772, 2613440, 3225965, 4181504, 5161544, 5226880, 6451930, 10323088, 10453760, 12903860, 20646176, 20907520, 25807720, 41292352, 51615440, 82584704, 103230880, 165169408, 206461760, 330338816, 412923520, 825847040, 1651694080]

約数ペア:

[(1, 1651694080), (2, 825847040), (4, 412923520), (5, 330338816), (8, 206461760), (10, 165169408), (16, 103230880), (20, 82584704), (32, 51615440), (40, 41292352), (64, 25807720), (79, 20907520), (80, 20646176), (128, 12903860), (158, 10453760), (160, 10323088), (256, 6451930), (316, 5226880), (320, 5161544), (395, 4181504), (512, 3225965), (632, 2613440), (640, 2580772), (790, 2090752), (1264, 1306720), (1280, 1290386), (1580, 1045376), (2528, 653360), (2560, 645193), (3160, 522688), (5056, 326680), (6320, 261344), (8167, 202240), (10112, 163340), (12640, 130672), (16334, 101120), (20224, 81670), (25280, 65336), (32668, 50560), (40448, 40835)]