28732480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 112

約数和(自身を含む): 79589376

約数和(自身を除く): 50856896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 127, 140, 160, 202, 224, 254, 280, 320, 404, 448, 505, 508, 560, 635, 707, 808, 889, 1010, 1016, 1120, 1270, 1414, 1616, 1778, 2020, 2032, 2240, 2540, 2828, 3232, 3535, 3556, 4040, 4064, 4445, 5080, 5656, 6464, 7070, 7112, 8080, 8128, 8890, 10160, 11312, 12827, 14140, 14224, 16160, 17780, 20320, 22624, 25654, 28280, 28448, 32320, 35560, 40640, 45248, 51308, 56560, 56896, 64135, 71120, 89789, 102616, 113120, 128270, 142240, 179578, 205232, 226240, 256540, 284480, 359156, 410464, 448945, 513080, 718312, 820928, 897890, 1026160, 1436624, 1795780, 2052320, 2873248, 3591560, 4104640, 5746496, 7183120, 14366240, 28732480]

約数ペア:

[(1, 28732480), (2, 14366240), (4, 7183120), (5, 5746496), (7, 4104640), (8, 3591560), (10, 2873248), (14, 2052320), (16, 1795780), (20, 1436624), (28, 1026160), (32, 897890), (35, 820928), (40, 718312), (56, 513080), (64, 448945), (70, 410464), (80, 359156), (101, 284480), (112, 256540), (127, 226240), (140, 205232), (160, 179578), (202, 142240), (224, 128270), (254, 113120), (280, 102616), (320, 89789), (404, 71120), (448, 64135), (505, 56896), (508, 56560), (560, 51308), (635, 45248), (707, 40640), (808, 35560), (889, 32320), (1010, 28448), (1016, 28280), (1120, 25654), (1270, 22624), (1414, 20320), (1616, 17780), (1778, 16160), (2020, 14224), (2032, 14140), (2240, 12827), (2540, 11312), (2828, 10160), (3232, 8890), (3535, 8128), (3556, 8080), (4040, 7112), (4064, 7070), (4445, 6464), (5080, 5656)]