80866240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2814

約数の個数: 112

約数和(自身を含む): 237085632

約数和(自身を除く): 156219392

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2777, 2912, 3640, 4160, 5554, 5824, 7280, 11108, 13885, 14560, 19439, 22216, 27770, 29120, 36101, 38878, 44432, 55540, 72202, 77756, 88864, 97195, 111080, 144404, 155512, 177728, 180505, 194390, 222160, 252707, 288808, 311024, 361010, 388780, 444320, 505414, 577616, 622048, 722020, 777560, 888640, 1010828, 1155232, 1244096, 1263535, 1444040, 1555120, 2021656, 2310464, 2527070, 2888080, 3110240, 4043312, 5054140, 5776160, 6220480, 8086624, 10108280, 11552320, 16173248, 20216560, 40433120, 80866240]

約数ペア:

[(1, 80866240), (2, 40433120), (4, 20216560), (5, 16173248), (7, 11552320), (8, 10108280), (10, 8086624), (13, 6220480), (14, 5776160), (16, 5054140), (20, 4043312), (26, 3110240), (28, 2888080), (32, 2527070), (35, 2310464), (40, 2021656), (52, 1555120), (56, 1444040), (64, 1263535), (65, 1244096), (70, 1155232), (80, 1010828), (91, 888640), (104, 777560), (112, 722020), (130, 622048), (140, 577616), (160, 505414), (182, 444320), (208, 388780), (224, 361010), (260, 311024), (280, 288808), (320, 252707), (364, 222160), (416, 194390), (448, 180505), (455, 177728), (520, 155512), (560, 144404), (728, 111080), (832, 97195), (910, 88864), (1040, 77756), (1120, 72202), (1456, 55540), (1820, 44432), (2080, 38878), (2240, 36101), (2777, 29120), (2912, 27770), (3640, 22216), (4160, 19439), (5554, 14560), (5824, 13885), (7280, 11108)]