25217920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:472

約数の個数: 128

約数和(自身を含む): 74370240

約数和(自身を除く): 49152320

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, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 433, 448, 455, 520, 560, 640, 728, 832, 866, 896, 910, 1040, 1120, 1456, 1664, 1732, 1820, 2080, 2165, 2240, 2912, 3031, 3464, 3640, 4160, 4330, 4480, 5629, 5824, 6062, 6928, 7280, 8320, 8660, 11258, 11648, 12124, 13856, 14560, 15155, 17320, 22516, 24248, 27712, 28145, 29120, 30310, 34640, 39403, 45032, 48496, 55424, 56290, 58240, 60620, 69280, 78806, 90064, 96992, 112580, 121240, 138560, 157612, 180128, 193984, 197015, 225160, 242480, 277120, 315224, 360256, 387968, 394030, 450320, 484960, 630448, 720512, 788060, 900640, 969920, 1260896, 1576120, 1801280, 1939840, 2521792, 3152240, 3602560, 5043584, 6304480, 12608960, 25217920]

約数ペア:

[(1, 25217920), (2, 12608960), (4, 6304480), (5, 5043584), (7, 3602560), (8, 3152240), (10, 2521792), (13, 1939840), (14, 1801280), (16, 1576120), (20, 1260896), (26, 969920), (28, 900640), (32, 788060), (35, 720512), (40, 630448), (52, 484960), (56, 450320), (64, 394030), (65, 387968), (70, 360256), (80, 315224), (91, 277120), (104, 242480), (112, 225160), (128, 197015), (130, 193984), (140, 180128), (160, 157612), (182, 138560), (208, 121240), (224, 112580), (260, 96992), (280, 90064), (320, 78806), (364, 69280), (416, 60620), (433, 58240), (448, 56290), (455, 55424), (520, 48496), (560, 45032), (640, 39403), (728, 34640), (832, 30310), (866, 29120), (896, 28145), (910, 27712), (1040, 24248), (1120, 22516), (1456, 17320), (1664, 15155), (1732, 14560), (1820, 13856), (2080, 12124), (2165, 11648), (2240, 11258), (2912, 8660), (3031, 8320), (3464, 7280), (3640, 6928), (4160, 6062), (4330, 5824), (4480, 5629)]