51613120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 139537440

約数和(自身を除く): 87924320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 653, 760, 832, 988, 1040, 1216, 1235, 1306, 1520, 1976, 2080, 2470, 2612, 3040, 3265, 3952, 4160, 4940, 5224, 6080, 6530, 7904, 8489, 9880, 10448, 12407, 13060, 15808, 16978, 19760, 20896, 24814, 26120, 33956, 39520, 41792, 42445, 49628, 52240, 62035, 67912, 79040, 84890, 99256, 104480, 124070, 135824, 161291, 169780, 198512, 208960, 248140, 271648, 322582, 339560, 397024, 496280, 543296, 645164, 679120, 794048, 806455, 992560, 1290328, 1358240, 1612910, 1985120, 2580656, 2716480, 3225820, 3970240, 5161312, 6451640, 10322624, 12903280, 25806560, 51613120]

約数ペア:

[(1, 51613120), (2, 25806560), (4, 12903280), (5, 10322624), (8, 6451640), (10, 5161312), (13, 3970240), (16, 3225820), (19, 2716480), (20, 2580656), (26, 1985120), (32, 1612910), (38, 1358240), (40, 1290328), (52, 992560), (64, 806455), (65, 794048), (76, 679120), (80, 645164), (95, 543296), (104, 496280), (130, 397024), (152, 339560), (160, 322582), (190, 271648), (208, 248140), (247, 208960), (260, 198512), (304, 169780), (320, 161291), (380, 135824), (416, 124070), (494, 104480), (520, 99256), (608, 84890), (653, 79040), (760, 67912), (832, 62035), (988, 52240), (1040, 49628), (1216, 42445), (1235, 41792), (1306, 39520), (1520, 33956), (1976, 26120), (2080, 24814), (2470, 20896), (2612, 19760), (3040, 16978), (3265, 15808), (3952, 13060), (4160, 12407), (4940, 10448), (5224, 9880), (6080, 8489), (6530, 7904)]