25073920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 63282240

約数和(自身を除く): 38208320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1031, 1216, 1280, 1520, 2062, 2432, 3040, 4124, 4864, 5155, 6080, 8248, 10310, 12160, 16496, 19589, 20620, 24320, 32992, 39178, 41240, 65984, 78356, 82480, 97945, 131968, 156712, 164960, 195890, 263936, 313424, 329920, 391780, 626848, 659840, 783560, 1253696, 1319680, 1567120, 2507392, 3134240, 5014784, 6268480, 12536960, 25073920]

約数ペア:

[(1, 25073920), (2, 12536960), (4, 6268480), (5, 5014784), (8, 3134240), (10, 2507392), (16, 1567120), (19, 1319680), (20, 1253696), (32, 783560), (38, 659840), (40, 626848), (64, 391780), (76, 329920), (80, 313424), (95, 263936), (128, 195890), (152, 164960), (160, 156712), (190, 131968), (256, 97945), (304, 82480), (320, 78356), (380, 65984), (608, 41240), (640, 39178), (760, 32992), (1031, 24320), (1216, 20620), (1280, 19589), (1520, 16496), (2062, 12160), (2432, 10310), (3040, 8248), (4124, 6080), (4864, 5155)]